Circuit Theorems and Conversions MCQs

Question 1

Transistors act basically as voltage sources.

Accepted Answer

False

Answer

True

Question 2

Find RN for the circuit given.

Accepted Answer

154 Ω

Answer

34 Ω

Answer

68 Ω

Answer

120 Ω

Question 3

What is the Thevenin equivalent (VTH and RTH) for the circuit given?

Accepted Answer

6.4 V, 422 Ω

Answer

6.4 V, 560 Ω

Answer

6.4 V, 680 Ω

Answer

30 V, 422 Ω

Question 4

Determine $${I_{	ext{N}}}$$ for the circuit consisting of VS, R1, R2 and R3 shown in the given circuit.

Accepted Answer

245 mA

Answer

676 mA

Answer

431 mA

Answer

75 mA

Question 5

Find the total current through R3 in the given circuit.

Accepted Answer

1.8 mA

Answer

7.3 mA

Answer

5.5 mA

Answer

12.8 mA

Question 6

Find the current through R2 of the given circuit.

Accepted Answer

134 mA

Answer

30.7 mA

Answer

104 mA

Answer

74 mA

Question 7

Find the current through R1 in the given circuit.

Accepted Answer

0.16 A

Answer

0.24 A

Answer

0.2 A

Answer

0.04 A

Question 8

Referring to the given circuit, the voltage and current for the load resistor, RL, is

Accepted Answer

4.50 V, 4.5 mA

Answer

450 mV, 4.5 mA

Answer

4.50 V, 45 mA

Answer

450 mV, 45 mA

Question 9

A 2 Ω RL is connected across a voltage source, VS, of 110 V. The source's internal resistance is 24 Ω. What is the output voltage across the load?

Accepted Answer

8.5 V

Answer

85 V

Answer

0 V

Answer

110 V