Exercise: Series Parallel Circuits

Questions for: Series Parallel Circuits

Three 10 k resistors are connected in series. A 20 k resistor is connected in parallel across one of the 10 k resistors. The voltage source is 24 V. The total current in the circuit is
A:
900 A
B:
9 mA
C:
90 mA
D:
800 A
Answer: A
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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
Answer: A
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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
Answer: D
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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
Answer: A
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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
Answer: B
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