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# Electrical Engineering - Series-Parallel Circuits

### Exercise

"You cannot shake hands with a clenched fist."
- Indira Gandhi
1.

The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is

 A. 20,000 B. 100,000 C. 200,000 D. 1,000,000

2.

Two 1.2 k resistors are in series and this series combination is in parallel with a 3.3 k resistor. The total resistance is

 A. 138 B. 1,389 C. 5,700 D. 880

3.

The output of a certain voltage divider is 12 V with no load. When a load is connected, the output voltage

 A. decreases B. increases C. remains the same D. becomes zero

4.

A certain voltage divider consists of two 12 k resistors in series. Which of the following load resistors will have the most effect on the output voltage?

 A. 1 M B. 24 k C. 18 k D. 12 k

5.

A voltage divider consists of two 68 k resistors and a 24 V source. The unknown output voltage is

 A. 12 V B. 24 V C. 0 V D. 6 V