Electronics - Series-Parallel Circuits
Exercise "Weakness of attitude becomes weakness of character."
- Albert Einstein
1.
The loading effect of a voltmeter can be ignored if ____.
A. the measured voltage is very high B. the measured voltage is very low C. the meter's resistance is at least 10 times greater than the resistance across which it is connected D. the meter's resistance is at least 10 times less than the resistance across which it is connected
Answer: C
Explanation:
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2.
A Thevenin equivalent circuit
A. a voltage source in series with a resistance B. a current source in series with a resistance C. resistors in a series-parallel configuration D. many voltage sources
Answer: E
Explanation:
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3.
In the given circuit, the current flowing through R 3 equals ______.
Answer: B
Explanation:
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4.
Series components in a series–parallel circuit may be in series with other _______________ components, or with other _______________ components.
A. individual, combinations of B. series, parallel C. parallel, series D. shunt, parallel
Answer: C
Explanation:
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5.
If four 10 k
A. increases B. decreases C. remains the same D. drops to zero
Answer: A
Explanation:
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resistors are in series with a single 20 k