A:-A PNP/NPN transistor
B:-A PNP/NPN transistor with no base connection
B:-A PNP/NPN transistor with no base connection
C:-A 4 layered NPNP device
D:-None of the above
Correct Answer:- Option-B
2:-The speed of an AC motor can be controlled by using .
A:-SCR
D:-None of the above
Correct Answer:- Option-B
2:-The speed of an AC motor can be controlled by using .
A:-SCR
B:-TRIAC
C:-DIAC with SCR
C:-DIAC with SCR
D:-DIAC with TRIAC
Correct Answer:- Option-D
3:-A power MOSFET is capable to handle current upto .
A:-1 A
B:-50 A
C:-10 A
Correct Answer:- Option-D
3:-A power MOSFET is capable to handle current upto .
A:-1 A
B:-50 A
C:-10 A
D:-100 A
Correct Answer:- Option-D
4:-An IGBT is a hybrid form of .
A:-A diode and a transistor
Correct Answer:- Option-D
4:-An IGBT is a hybrid form of .
A:-A diode and a transistor
B:-A transistor and SCR
C:-A bipolar transistor and a MOSFET
C:-A bipolar transistor and a MOSFET
D:-A FET and a MOSFET
Correct Answer:- Option-C
5:-MOSFET's are used in .
A:-Inverters
Correct Answer:- Option-C
5:-MOSFET's are used in .
A:-Inverters
B:-SMPS
C:-UPS
D:-All the above
Correct Answer:- Option-D
6:-High speed switching can be obtained using a .
A:-Power IGBT
C:-UPS
D:-All the above
Correct Answer:- Option-D
6:-High speed switching can be obtained using a .
A:-Power IGBT
B:-PNP transistor
C:-Diode
D:-Vibrator
Correct Answer:- Option-A
7:-Power MOSFET and power IGBT are
D:-Vibrator
Correct Answer:- Option-A
7:-Power MOSFET and power IGBT are
A:-One and the same device
B:-Quite different devices
C:-Similar semiconductor devices
B:-Quite different devices
C:-Similar semiconductor devices
D:-Replaceable devices
Correct Answer:- Option-C
8:-Which one of the following semiconductor device may be used as a light sensor?
A:-Photo diode
B:-Photo transistor
Correct Answer:- Option-C
8:-Which one of the following semiconductor device may be used as a light sensor?
A:-Photo diode
B:-Photo transistor
C:-LDR
D:-Any one of the above
D:-Any one of the above
Correct Answer:- Option-D
9:-The material used for making optic-fibre cable in general is .
A:-Copper
B:-Transparent plastic
9:-The material used for making optic-fibre cable in general is .
A:-Copper
B:-Transparent plastic
C:-Aluminium
D:-Steel
Correct Answer:- Option-B
10:-Which one of the following IC contains NOT gates ?
A:-IC 7400
B:-IC 7404
C:-IC 7402
D:-IC 7408
Correct Answer:- Option-B
D:-Steel
Correct Answer:- Option-B
10:-Which one of the following IC contains NOT gates ?
A:-IC 7400
B:-IC 7404
C:-IC 7402
D:-IC 7408
Correct Answer:- Option-B
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