# Electronics - Series-Parallel Circuits

### Exercise :: Series-Parallel Circuits - General Questions

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

 A. The 1 k resistor is open. B. The 4.7 k resistor is open. C. The 2.2 k resistor is open. D. The 3.3 k resistor is open.

Explanation:

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22. How much current is flowing through R1 in the given circuit?

 A. 0.3 A B. 0.15 A C. 0.5 A D. 0.68 A

Explanation:

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23.

If R1 is in series with parallel connected to R2 and R3, what happens to total current if R2 opens?

 A. increases B. decreases C. remains the same D. cannot tell

Explanation:

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24.

The first goal(s) to accomplish in analyzing a complex series–parallel circuit is to:

 A. equate all parallel components B. equate all series components C. solve for all the voltage drops D. solve for the total current and resistance

Explanation:

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25.

If a series–parallel circuit has all 30-ohm resistors, what is the total resistance when R1 is in series with a parallel circuit consisting of R2 and R3?

 A. 10 ohms B. 20 ohms C. 45 ohms D. 90 ohms