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21
The parallel combination of a 470 Ω resistor and a 1.2 kΩ resistor is in series with the parallel combination of three 3 kΩ resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of
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Answer: Option C
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22
A Wheatstone bridge consists of four resistors in parallel.
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Answer: Option B
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23
In a certain five-step R/2R ladder network, the smallest resistor value is 1 kΩ. The largest value is
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Answer: Option B
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24
A balanced Wheatstone bridge consists of an RV of 3,500 Ω, an R2 of 200 Ω, and an R3 of 680 Ω. The value of RUNK is
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Answer: Option B
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25
The higher the range setting, the less the internal resistance and the greater the load effect of the voltmeter on a circuit.
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Answer: Option B
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26
A 12 kΩ resistor, a 15 kΩ resistor, and a 22 kΩ resistor are in series with two 10 kΩ resistors that are in parallel. The source voltage is 75 V. Current through the 15 kΩ resistor is approximately
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Answer: Option B
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27
A voltage divider consists of two 68 kΩ resistors and a 24 V source. The unknown output voltage is
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Answer: Option A
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28
A smaller-value load resistor will cause the output voltage to change more than a larger-value one.
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Answer: Option A
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29
A galvanometer is a meter that measures small amounts of voltage.
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Answer: Option B
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