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Semiconductor Electronics Mock Tests

24 questions available

Semiconductor Electronics Mock Test 1

Questions: 24

नमूना प्रश्न

CUET Physics
A semiconductor diode is used in a circuit primarily for:
A Rectification
B Amplification
C Oscillation
D Voltage regulation only
JEE Main Physics
In an n-p-n transistor, the current gain is 50. The emitter current is 6 mA. The base current is:
A 0.1 mA
B 0.5 mA
C 1.0 mA
D 0.2 mA
Class 12 Physics
An intrinsic semiconductor has a band gap of 1.0 eV. At room temperature (300 K), the number of charge carriers compared to an insulator with band gap 5.0 eV will be:
A much larger
B much smaller
C the same
D slightly smaller
Class 12 Physics
A p-n junction diode is forward biased. The barrier potential:
A Increases
B Decreases
C Remains unchanged
D Initially increases then decreases
Class 12 Physics
In a p-n junction diode under forward bias, the depletion layer width:
A Decreases
B Increases
C Remains unchanged
D First increases then decreases
JEE Main Physics
In a common emitter amplifier, the phase difference between input and output voltage is:
A pi radians
B 0
C pi/2 radians
D 2pi radians
Class 12 Physics
A transistor is used as a common emitter amplifier. The input resistance is 1 kΩ and the load resistance is 5 kΩ. If β = 100 and the base current changes by 10 μA, the change in output voltage is:
A 0.5 V
B 5 V
C 0.1 V
D 1 V
CUET Physics
A transistor has a current gain β = 100. If the base current changes by 10 μA, the change in collector current is:
A 1 mA
B 10 mA
C 0.1 mA
D 100 mA

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