Multiple Choice Questions (MCQs)
Pages -> 0/1/2/3/4
Recent Electronic Components
1 Statement 1: In Li-ion batteries, lithium ions move from the negative electrode to the positive electrode during discharge. Statement 2: In Li-ion batteries lithium ions move from the positive electrode to the negative electrode during charging. Select correct option for above statement- (A) Statement 1 is true but statement 2 is false
- (B) Statement 2 is true but statement 1 is false
- (C) Both statements are true
- (D) Both statements are false
2 In Li-ion battery, the ____________ is/are lithium ion based
- (A) Positive electrode
- (B) Negative electrode
- (C) Positive and negative electrode
- (D) Electrolyte
3 A nuclear battery is a device which uses energy from the ________ to generate electricity
- (A) Hydrocarbon
- (B) Hydrogen
- (C) Emission of radioactive isotopes
- (D) Chain reaction of radioactive element
4 Compared to other batteries, nuclear batteries are very ______, but have an extremely ____ and high energy density
- (A) Cheap, long life
- (B) Costly, long life
- (C) Cheap, short life
- (D) Costly, short life
5 Surface-mount technology (SMT) is a method for producing ____ in which the components are mounted or placed directly onto the surface of ______
- (A) Electric circuit, electric board
- (B) Electronic circuit, printed circuit board
- (C) Pneumatic circuit, pneumatic bench
- (D) Instrumentation circuit, control panel
6 OLED stands for ______
- (A) Organic Light emitting display
- (B) Optical Light emitting display
- (C) Organic Light emitting diode
- (D) Optical Light emitting diode
7 In OLED, at least one of the electrodes is _______
- (A) Reactive
- (B) Transparent
- (C) Passive
- (D) Idle
8 OLEDs are used to create digital display in devices such as _______
- (A) Only TV screens
- (B) Only smart phones
- (C) Only computer monitors
- (D) All of above
9 Statement 1: An OLED display works without a backlight. Statement 2: Because OLED emits visible light. Select correct option for above statement
- (A) Statement 1 is true but statement 2 is false
- (B) Statement 2 is true but statement 1 is false
- (C) Both statements are true
- (D) Both statements are false
10 Memristor is defined by relation ______
- (A) dφ = M*dq
- (B) dq=C*dv
- (C) dφ =L*di
- (D) dv=R*di
11 The surface mount components are accurately placed onto the pads with the help of ____________
- (A) Pick and place machine
- (B) Manually
- (C) Reflow Machine
- (D) Printing Machine
12 Desirable feature of electronics components suitable for emerging applications is __________
- (A) Higher power consumption
- (B) Miniature size
- (C) Lower operation speed
- (D) Low operating frequency
13 _______allow more number of components placing on both sides of the flexible dielectric film
- (A) Single sided flexible circuits
- (B) Single mounted flexible circuits
- (C) Double access flexible circuits
- (D) Sculptured Flex circuits
14 Memristor features unique properties like _______ and _______
- (A) Nonvolatile nature, linearity
- (B) Volatile nature, non-linearity
- (C) Volatile nature, linearity
- (D) Nonvolatile nature, non-linearity
15 _______is considered as a subset of Memristor
- (A) ROM
- (B) ReRAM
- (C) Static RAM
- (D) DRAM
16 Hysteresis loop and ______ phase shift between current and voltage, at _____ are the significant features of Memristor
- (A) 0-degree, zero crossing
- (B) 90-degree, zero crossing
- (C) 45 degree, non-zero crossing
- (D) 180 degree, non-zero crossing
17 Memristor shows ________ relationship between voltage and current
- (A) Linear
- (B) Nonlinear
- (C) Exponential
- (D) Logarithmic
18 Currently OLED displays are made by ____________
- (A) Evaporating gases in a vacuum chamber
- (B) Evaporating liquid in a vacuum chamber
- (C) Evaporating solid in a vacuum chamber
- (D) Anodization
19 OLED displays are simpler than LCD because they do not require ________ or ________
- (A) Power, filtering
- (B) Power, diffusing
- (C) Backlight, diffusing
- (D) Backlight, filtering
20 In the cover lay of FPC, to reduce conductor damage from frequent bending, the thickness of the cover lay should be ______
- (A) Same as the thickness of the dielectric layer
- (B) More than the thickness of the dielectric layer
- (C) Less than the thickness of the dielectric layer
- (D) Independent of the thickness of the dielectric layer
21 A nuclear battery is a device which uses energy from the _________to generate electricity
- (A) Hydrocarbon
- (B) Hydrogen
- (C) Emission of radioactive isotopes
- (D) Chain reaction of radioactive element
22 ________is considered as a subset of Memristor
- (A) ROM
- (B) ReRAM
- (C) Static RAM
- (D) DRAM
23 Currently OLED displays are made by_________
- (A) Evaporating gases in a vacuum chamber
- (B) Evaporating liquid in a vacuum chamber
- (C) Evaporating solid in a vacuum chamber
- (D) Anodization
24 ________ is the advantage of using Surface Mounting Technology (SMT).
- (A) Low power consumption
- (B) Reduces heat dissipation
- (C) Use micro miniature leaded or leadless components
- (D) Easily fabricated on chip
25 In OLED, at least one of the electrode is_____________
- (A) Reactive
- (B) Transparent
- (C) Passive
- (D) Idle
26 In Li-ion battery, the _______is/are lithium ion based
- (A) Positive electrode
- (B) Negative electrode
- (C) Positive and negative electrode
- (D) Electrolyte
27 A Both glassy and ceramic electrolyte can be made more ionically conductive by substituting_____ for oxygen.
- (A) Nitrogen
- (B) Sulphur
- (C) Carbon dioxide
- (D) Hydrogen
28 A radioisotope thermoelectric generator (RTG) generally uses________
- (A) RTD
- (B) Thermistor
- (C) Thermocouple
- (D) Ultrasonic
29 __________ is not a Reflow soldering technique
- (A) Infrared lamp technique
- (B) Hot gas convection
- (C) Vapour phase reflow
- (D) Cold liquid flow
30 OLED is also known as __________
- (A) Organic LCD
- (B) Organic EL diode
- (C) Optical EL diode
- (D) Optical LCD
31 _________ is an advanced display technology made from thin films of light emitting organic materials.
- (A) SMD LED
- (B) RGB LED
- (C) OLED
- (D) QLED
32 The technology for producing electronic circuits using SMD is called
- (A) THT
- (B) SMT
- (C) OLED
- (D) PDA
33 The surface mount components are accurately placed onto pads with the help of ________
- (A) CNC Milling Machine
- (B) CNC Plasma Cutting Machine
- (C) Pick & Place Machine
- (D) CNC Lathe Machine
34 AOI machine stands for _______________
- (A) Automatic Operating Indicator
- (B) Automatic Optic Inspection
- (C) Automatic Organising Industry
- (D) Automatic Operating Inspection
35 Nuclear Diamond Battery doesn’t have this commercial hurdle
- (A) Initial cost of production
- (B) Regional and country specific laws
- (C) Profit margin
- (D) Disposal of radioactive fuel
36 _______theoretically predicted that there must be a missing passive element establishing a relationship between flux and electric charge.
- (A) Prof. Leon .O. Chua
- (B) Albert Einstein
- (C) Prof. Albert Macovski
- (D) Prof. Brain Greene
37 A relationship between flux and electric charge of Memristor is given by__________equation.
- (A) dq=C.dv
- (B) dφ =L.di
- (C) dv=R.di
- (D) dφ = M dq
38 Memristor shows non- linear relationship between voltage and current which is exhibited by_________
- (A) Continuous loop
- (B) Hysteretic loop
- (C) Closed loop
- (D) Open loop
39 _________ successfully correlated the resemblance of memristor characteristics with those of nano scale ReRAM device.
- (A) Prof. Chua
- (B) Intel
- (C) HP Team
- (D) Albert Einstein
40 _______ is not one of the highlighting features ReRAM.
- (A) Simple construction
- (B) High packaging density
- (C) High operating speed
- (D) High operating voltages
41 A nuclear battery is also known as _______
- (A) Atomic battery
- (B) General battery
- (C) Hazardous battery
- (D) Toxic battery
42 Desirable feature for display devices is ________
- (A) Low brightness
- (B) Single colour
- (C) Flexible nature
- (D) Small size
43 Desirable feature of a battery is ______
- (A) Large size
- (B) Higher rating
- (C) Slow charging
- (D) Costly maintenance
44 _______Fulfils the requirement of high component density and Multilayer electrical connectivity.
- (A) PCB
- (B) Breadboard
- (C) FPC
- (D) Stripboard
45 Full form of FPC is ______________
- (A) Fixed printed circuits
- (B) Fixed programmable circuits
- (C) Flexible programmable circuits
- (D) Flexible printed circuits
46 Full form of PCB is_____________
- (A) Programmable circuit boards
- (B) Programmable conducting boards
- (C) Printed circuit boards
- (D) Printed conducting boards
47 The hearth of FPC is ______
- (A) Flexible PCB
- (B) Rigid PCB
- (C) Single layered PCB
- (D) Double layered PCB
48 Batteries used in space can be recharged by solar cells which converts______ energy into electrical energy.
- (A) Chemical
- (B) Solar
- (C) Mechanical
- (D) Kinetic
49 For very high temperature applications PEEK is used which is from _______ Family.
- (A) PAK family
- (B) PEAK family
- (C) PAEK family
- (D) Nitrile family
50 ________material is not use in rechargeable batteries.
- (A) Nickel – cadmium
- (B) Silicon – cadmium
- (C) Nickel metal hydride
- (D) Lithium – ion
51 _______soldering is the most widely used method of attaching surface mount components to printed circuit boards (PCBs).
- (A) Wave
- (B) Reflow Optical Light emitting display
- (C) Pick and place
- (D) Machine
52 A ________ is a machine used primarily for reflow soldering of surface mount electronic components to printed circuit boards (PCB).
- (A) Reflow oven
- (B) Wave oven
- (C) Microwave oven
- (D) Soldering oven
53 Preheat is the_____ stage of the reflow process.
- (A) Second
- (B) Third Optical Light emitting display
- (C) First
- (D) Fourth
54 Surface-mount technology (SMT) is a method for producing _______ in which the components are mounted or placed directly onto the surface of …….
- (A) Electric circuit, electric board
- (B) Electronic circuit, printed circuit board Optical Light emitting display
- (C) Pneumatic circuit, pneumatic bench
- (D) Instrumentation circuit, control pane
55 With surface mount technology (SMT) the devices should ________
- (A) Mount directly
- (B) Have parallel connecting pins
- (C) Requires holes and pads
- (D) Requires PTH
56 ________ runs a number of quality checks for the boards visually, such as component alignment and checking for solder bridges
- (A) Reflow oven
- (B) SMD machine Optical Light emitting display
- (C) Automatic Optic Inspection machine
- (D) Solder paste printer
57 In SMD the wattage required for soldering iron is______
- (A) 25 to 50 watt
- (B) 15 to 25 watt Optical Light emitting display
- (C) 15 to 30 watt
- (D) 10 to 50 watt
58 For an IC, in a data sheet SMD stands for ______________
- (A) Surface mount device
- (B) Synchronous mode device
- (C) Serial mode data
- (D) Single memory device
59 Identify the SMD component
- (A) SMD Resistor
- (B) SMD Resistor network Optical Light emitting display
- (C) SMD capacitor
- (D) Leadless Ceramic Chip Carriers
60 OLED stands for __________
- (A) Organic Light emitting display
- (B) Optical Light emitting display Optical Light emitting display
- (C) Organic Light emitting diode
- (D) Optical Light emitting diode Optical Light emitting diode
61 In OLED, at least one of the electrodes is ________
- (A) Idle
- (B) Transparent
- (C) Active
- (D) Passive
62 OLED displays provide_____ power consumption compared to LCD
- (A) Lower
- (B) Higher
- (C) Medium
- (D) Zero
63 Identify the symbol of component used for emerging application.
- (A) Resistor
- (B) Compact disc
- (C) Memristor
- (D) OLED
64 Memristor give________ relationship between voltage and current which is exhibited by a hysteretic loop
- (A) Linear
- (B) Non linear
- (C) Inversely proportional
- (D) Directly proportional
65 Memristor is proposed to develop real-time data analysis in _______network and______ applications.
- (A) Neural, neuromorphic
- (B) Computer, numeric
- (C) Telecommunication, mobile
- (D) Data, internet
66 A Lithium-ion battery is rechargeable electrochemical battery converting ________ energy into ______ energy
- (A) Chemical, electrical
- (B) Mechanical, electrical
- (C) Electrical, mechanical
- (D) Negative, positive
67 Mostly Non-aqueous electrolyte is used in Li-ion battery because _______
- (A) Aqueous medium is not conductive
- (B) Non aqueous medium is conductive
- (C) Pure lithium is very inactive
- (D) Pure lithium is very reactive
68 In Li-ion battery, the ………………. is/are lithium ion based
- (A) Negative Electrode
- (B) Positive electrode
- (C) Positive & Negative Electrode
- (D) Electrolyte electrode
69 A nuclear battery uses energy from________ to generate electricity.
- (A) Hydrocarbon
- (B) Decay of radioactive isotope
- (C) Hydrogen
- (D) Chain reaction of radioactive element
70 Nuclear batteries are very ____but have an extremely ______ and high energy density compared to other batteries.
- (A) Cheap, short life
- (B) Costly, short life
- (C) Cheap, long life
- (D) Costly, long life
71 Nuclear batteries are used in _____applications due to its compact in size and light weight and long lasting reliable voltage supply, independent of atmospheric conditions.
- (A) Space
- (B) Medical
- (C) Defence
- (D) Industry
72 Printed circuit board are delivered from one place to other place in plastic or paper protection because of development of_______________
- (A) Leakage current
- (B) Water drop
- (C) Dynamic charge
- (D) Static Charge
73 Flex PCB design requires______% of the space and weight of an ordinary circuit board assembly,
- (A) 50
- (B) 20
- (C) 10
- (D) 75
74 Commonly used dielectric substrate material is_________
- (A) Polyester
- (B) Rubber
- (C) Mica
- (D) Polymer
75 _______are the heart of Flexible Printed Circuits.
- (A) Dielectric PCBs
- (B) Flexible PCBs
- (C) Double sided PCBs
- (D) Single sided PCBs
76 ___________material has excellent high temperature characteristics.
- (A) Phenolic
- (B) Acrylics
- (C) Polyimide
- (D) Polyester
77 Rigid-Flex Circuits boards are used in _____application for __reliability.
- (A) Defence, high
- (B) Defence, low
- (C) Space, low
- (D) Space, high