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Electronic Devices Mock Tests

58 questions available

Electronic Devices Mock Test 1

Questions: 30

Electronic Devices Mock Test 2

Questions: 28

नमूना प्रश्न

JEE Main Physics
A transistor has a current gain β = 100. The base current is 50 μA. The collector current is:
A 5 mA
B 0.5 mA
C 50 mA
D 0.05 mA
NEET Physics
A Zener diode with breakdown voltage 5.6 V is used as a voltage regulator. If the input voltage varies between 7 V and 10 V and the Zener current must not exceed 100 mA, the maximum value of the series resistor R is:
A 14 Ω
B 56 Ω
C 20 Ω
D 100 Ω
BITSAT Physics
A logic circuit has two inputs A and B and output Y = AB + A'B'. The circuit is equivalent to:
A AND gate
B OR gate
C XNOR gate
D NAND gate
JEE Main Physics
A NAND gate is equivalent to:
A AND gate followed by NOT gate
B OR gate followed by NOT gate
C AND gate followed by OR gate
D NOT gate followed by AND gate
BITSAT Physics
A transistor amplifier has voltage gain of 100. If the input resistance is 1 kΩ and load resistance is 5 kΩ, the power gain is:
A 500,000
B 100,000
C 50,000
D 1,000,000
BITSAT Physics
A transistor is connected in common-emitter configuration with collector supply V_CC = 10V, collector resistance R_C = 1 k ohm, and beta = 100. If the base current is increased from 10 μA to 20 μA, the change in collector-emitter voltage is:
A 1 V
B 2 V
C 0.5 V
D 10 V
BITSAT Physics
In a logic circuit, the output of a NOR gate is fed into a NOT gate. The equivalent single gate is:
A AND gate
B OR gate
C NAND gate
D XOR gate
BITSAT Physics
A transistor in common emitter configuration has a current gain β = 100. If the base current changes by 10 μA, the change in collector current is:
A 1 mA
B 0.1 mA
C 10 mA
D 100 mA

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