Question 1: Palette 1/13

BITSAT 2025 MCQ

The equivalent resistance of the circuit across $A B$ is given by

A

$4 \Omega$

B

$13 \Omega$

C

$4 \Omega$ or $13 \Omega$

D

$4 \Omega$ or zero

Question 2: Palette 2/13

BITSAT 2025 MCQ

The temperature $(T)$ dependence of resistivity ( $\rho$ ) of a semiconductor is represented by

A

B

C

D

Question 3: Palette 3/13

BITSAT 2024 MCQ

Identify the correct output signal $ Y $ in the given combination of gates for the given inputs $ A $ and $ B $ shown in the figure.

A

B

C

D

Question 4: Palette 4/13

BITSAT 2023 MCQ

A common emitter amplifier has a voltage gain of 50 an input impedance of 100 $\Omega$ and an output impedance of 400 $\Omega$. The power gain of the amplifier is

A

500

B

1000

C

625

D

50

Question 5: Palette 5/13

BITSAT 2023 MCQ

Truth table for system of four NAND gate and one NOT gate as shown in figure is.

A

B

C

D

Question 6: Palette 6/13

BITSAT 2022 MCQ

For an insulator, the forbidden energy gap is

A

Zero

B

1eV

C

2eV

D

5eV

Question 7: Palette 7/13

BITSAT 2022 MCQ

In the circuit shown assume the diode to be ideal. When V_i increases from $-$2V to 6V, the change in current is (in mA)

A

Zero

B

20

C

$\frac{25}{8}$

D

32

Question 8: Palette 8/13

BITSAT 2022 MCQ

In the following circuit the equivalent resistance between X and Y is ......... $\Omega$

A

5

B

12

C

16

D

20

Question 9: Palette 9/13

BITSAT 2022 MCQ

A transistor is connected in common-emitter (CE) configuration. The collector supply is 8V and the voltage drop across a resistor is 500 $\Omega$ in the collector circuit is 0.6 V. IF the current gain factor $\alpha$ is 0.96, find the base current

A

25 $\mu$A

B

50 $\mu$A

C

20 $\mu$A

D

35 $\mu$A

Question 10: Palette 10/13

BITSAT 2021 MCQ

The phase difference between V_out and V_in of CE amplifier circuit is

A

90$^\circ$

B

180$^\circ$

C

0$^\circ$

D

270$^\circ$

Question 11: Palette 11/13

BITSAT 2021 MCQ

The current in the circuit will be

A

0.125 A

B

0.1 A

C

0.5 A

D

0.25 A

Question 12: Palette 12/13

BITSAT 2020 MCQ

The combination of the gates shown in following figure yields

A

NAND gate

B

OR gate

C

NOT gate

D

XOR gate

Question 13: Palette 13/13

BITSAT 2020 MCQ

The reading of the ammeter for a germanium diode in the given circuit is

A

0.94A

B

0

C

2.8A

D

5A