# Electrical Engineering - Parallel Circuits

### Exercise :: Parallel Circuits - General Questions

16.

In a certain three-branch parallel circuit, R1 has 12 mA through it, R2 has 15 mA through it, and R3 has 25 mA through it. After measuring a total of 27 mA, you can say that

 A. R3 is open B. R1 is open C. R2 is open D. the circuit is operating properly

Explanation:

No answer description available for this question. Let us discuss.

17.

A sudden increase in the total current into a parallel circuit may indicate

 A. a drop in source voltage B. an open resistor C. an increase in source voltage D. either a drop in source voltage or an open resistor

Explanation:

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18.

The following currents are measured in the same direction in a three-branch parallel circuit: 200 mA, 340 mA, and 700 mA. The value of the current into the junction of these branches is

 A. 200 mA B. 540 mA C. 1.24 A D. 900 mA

Explanation:

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19.

The following resistors are in parallel across a voltage source: 220 , 470 , and 560 . The resistor with the least current is

 A. 220 B. 470 C. 560 D. impossible to determine without knowing the voltage

Explanation:

No answer description available for this question. Let us discuss.

20.

Three 47 resistors are connected in parallel across a 110 volt source. The current drawn from the source is approximately

 A. 2.3 A B. 780 mA C. 47 mA D. 7.06 A