Electrical Engineering - Circuit Theorems and Conversions

Exercise :: Circuit Theorems and Conversions - General Questions

11. 

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

A. 6.4 V, 422
B. 6.4 V, 560
C. 6.4 V, 680
D. 30 V, 422

Answer: Option A

Explanation:

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12. 

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

Answer: Option C

Explanation:

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13. 

Find the current in R2 of the given circuit, using the superposition theorem.

A. 16.7 mA
B. 33.3 mA
C. 50 mA
D. 16.6 mA

Answer: Option C

Explanation:

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14. 

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

A. 120 V
B. 0 V
C. 117 V
D. 12 V

Answer: Option C

Explanation:

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15. 

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

A. 8.5 V
B. 85 V
C. 0 V
D. 110 V

Answer: Option A

Explanation:

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