Circuit Theorems And Conversions MCQ Questions & Answers

1.
Transistors act basically as voltage sources.

A. True

B. False

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2.
Find RN for the circuit given.

A. 34 Ω

B. 68 Ω

C. 120 Ω

D. 154 Ω

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3.
What is the Thevenin equivalent (V_TH and R_TH) for the circuit given?

A. 6.4 V, 422 Ω

B. 6.4 V, 560 Ω

C. 6.4 V, 680 Ω

D. 30 V, 422 Ω

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4.
Determine $${I_{\text{N}}}$$ for the circuit consisting of VS, R1, R2 and R3 shown in the given circuit.

A. 676 mA

B. 245 mA

C. 431 mA

D. 75 mA

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5.
Find the total current through R3 in the given circuit.

A. 7.3 mA

B. 5.5 mA

C. 12.8 mA

D. 1.8 mA

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6.
Find the current through R2 of the given circuit.

A. 30.7 mA

B. 104 mA

C. 74 mA

D. 134 mA

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7.
Find the current through R1 in the given circuit.

A. 0.16 A

B. 0.24 A

C. 0.2 A

D. 0.04 A

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8.
Referring to the given circuit, the voltage and current for the load resistor, RL, is

A. 450 mV, 4.5 mA

B. 4.50 V, 45 mA

C. 4.50 V, 4.5 mA

D. 450 mV, 45 mA

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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?

A. 8.5 V

B. 85 V

C. 0 V

D. 110 V

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10.
A 470 Ω RL is connected across a voltage source, VS, of 120 V. The source's internal resistance, RS, is 12 Ω. What is the output voltage across the load?

A. 120 V

B. 0 V

C. 117 V

D. 12 V

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Circuit Theorems And Conversions MCQ Questions & Answers | Electrical Engineering

1. Transistors act basically as voltage sources.

Answer & Solution

2. Find RN for the circuit given.

Answer & Solution

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

Answer & Solution

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

Answer & Solution

5. Find the total current through R3 in the given circuit.

Answer & Solution

6. Find the current through R2 of the given circuit.

Answer & Solution

7. Find the current through R1 in the given circuit.

Answer & Solution

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

Answer & Solution

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?

Answer & Solution

10. A 470 Ω RL is connected across a voltage source, VS, of 120 V. The source's internal resistance, RS, is 12 Ω. What is the output voltage across the load?

Answer & Solution

1.
Transistors act basically as voltage sources.

2.
Find RN for the circuit given.

3.
What is the Thevenin equivalent (V_TH and R_TH) for the circuit given?

4.
Determine $${I_{\text{N}}}$$ for the circuit consisting of VS, R1, R2 and R3 shown in the given circuit.

5.
Find the total current through R3 in the given circuit.

6.
Find the current through R2 of the given circuit.

7.
Find the current through R1 in the given circuit.

8.
Referring to the given circuit, the voltage and current for the load resistor, RL, is

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?

10.
A 470 Ω RL is connected across a voltage source, VS, of 120 V. The source's internal resistance, RS, is 12 Ω. What is the output voltage across the load?