Electronics - Series-Parallel Circuits

Exercise :: Series-Parallel Circuits - General Questions

31. 

Which circuit fault do the meter readings in the given figure indicate?

A. The 1 komega.gif resistor is shorted.
B. The 4.7 komega.gif resistor is shorted.
C. The 2.2 komega.gif resistor is shorted.
D. The 3.3 komega.gif resistor is shorted.

Answer: Option D

Explanation:

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32. 

In a series–parallel circuit consisting of R1 and R2 in series and connected in parallel with R3, if R1 opens, then R2's voltage will:

A. increase
B. decrease
C. remain the same
D. cannot tell

Answer: Option B

Explanation:

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33. 

In the given circuit, what is RUNK equal to if RV must be adjusted to 1,232 omega.gif in order to balance the bridge?

A. 220 omega.gif
B. 6,899 omega.gif
C. 1,232 omega.gif
D. More information is needed in order to find RUNK.

Answer: Option A

Explanation:

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34. 

With 6 V applied, what is the voltage across R2 of a parallel combination of R2 (1 k omega.gif), R3 (2 k omega.gif), and R4 (1 k omega.gif) in series with R1, whose value is 2 k omega.gif?

A. 1 V
B. 3 V
C. 5 V
D. 6 V

Answer: Option A

Explanation:

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35. 

What is the power dissipated by R1, R2, and R3?

A. P1 = 0.13 W, P2 = 0.26 W, P3 = 0.12 W
B. P1 = 0.26 W, P2 = 0.52 W, P3 = 0.23 W
C. P1 = 0.52 W, P2 = 0.92 W, P3 = 0.46 W
D. P1 = 1.04 W, P2 = 1.84 W, P3 = 0.92 W

Answer: Option B

Explanation:

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