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Electronics Set 2
Results
#1.
The forward current through a semiconductor diode circuit is due to
Minority carriers
Minority carriers
Majority carriers
Majority carriers
Holes
Holes
Electrons
Electrons
#2.
The device used for conversion of AC into DC is
An oscillator
An oscillator
A detector
A detector
An amplifier
An amplifier
A rectifier
A rectifier
#3.
The thickness of depletion region is of the order of
10m^ -7
10m^ -7
10m^ -6
10m^ -6
10 m^ -5
10 m^ -5
10m^ -4
10m^ -4
#4.
The ratio of fi gives the
Voltage gain
Voltage gain
Current gain
Current gain
Input resistance
Input resistance
None
None
#5.
The resistance between +ive and-ive inputs of op-amplifier is
1000
1000
10000
10000
100
100
None of these
None of these
#6.
Photo-Voltaic cell have
Battery input
Battery input
No external bias
No external bias
No internal bias
No internal bias
None
None
#7.
Diode is a device which has terminals.
One
One
Two
Two
Three
Three
Four
Four
#8.
Transistor is a device which has terminals.
One
One
Two
Two
Three
Three
Four
Four
#9.
The Boolean expression X A+B represents the logic operation of
NAND gate
NAND gate
NOR gate
NOR gate
OR gate
OR gate
NOT gate
NOT gate
#10.
The open loop gain of op-amplifier is
Zero
Zero
High
High
Very high
Very high
Low
Low
Finish
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