Exercise: Series Parallel Circuits

Questions for: Series Parallel Circuits

If the voltage between points A and B equals 9 V in the given circuit, then VR3 equals ______.

A:
0.9 V
B:
8.1 V
C:
9 V
D:
More information is needed to find VR3.
Answer: B
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In the given circuit, the voltage at point A equals ______.

A:
–10 V
B:
+1 V
C:
+9 V
D:
+10 V
Answer: D
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In the given circuit, the total resistance (RT) between points A and B equals _____.

A:
10 omega.gif
B:
100 omega.gif
C:
900 omega.gif
D:
1,010 omega.gif
Answer: B
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When a load is connected to a voltage divider, the total resistance of the circuit will ________.
A:
increase
B:
decrease
C:
remain the same
D:
double
Answer: B
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If a Wheatstone bridge is balanced, its output voltage is ____.
A:
the same as its input voltage
B:
very high
C:
dependent on the unknown resistor value
D:
equal to 0 V
Answer: D
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