# Electrical Engineering - Series Circuits

### Exercise :: Series Circuits - General Questions

6.

When one of three series resistors is removed from a circuit and the circuit is reconnected, the current

 A. increases B. increases by one-third C. decreases by one-third D. decreases by the amount of current through the removed resistor

Explanation:

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7.

The total power in a certain circuit is 12 W. Each of the four equal-value series resistors making up the circuit dissipates

 A. 12 W B. 48 W C. 3 W D. 8 W

Explanation:

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8.

The following resistors (one each) are connected in a series circuit: 470 , 680 , 1 k , and 1.2 k . The voltage source is 20 V. Current through the 680 resistor is approximately

 A. 60 mA B. 30 mA C. 6 mA D. 300 mA

Explanation:

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9.

A series circuit consists of a 4.7 k , a 12 k , and a 2.2 k resistor. The resistor that has the most voltage drop is

 A. the 12 k B. the 2.2 k C. the 4.7 k D. impossible to determine from the given information

Explanation:

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10.

All the voltage drops and the source voltage added together in a series circuit is equal to

 A. the total of the voltage drops B. the source voltage C. zero D. the total of the source voltage and the voltage drops