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RC Circuits
A 2 kΩ resistor and a 0.002 μF capacitor are in series across an ac source. Current in the circuit is 6.50 mA. The true power is
13 mW
845 mW
130 mW
84.5 mW
13 mW
845 mW
130 mW
84.5 mW
Answer
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Related Question
RC Circuits
The complex number 40 angle 55° is equivalent to
22.94 + j32.76
55 + j55
45.88 + j65.52
40 + j40
22.94 + j32.76
55 + j55
45.88 + j65.52
40 + j40
Answer
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RC Circuits
In a series RC circuit, when the frequency and the resistance are halved, the impedance
is reduced to one-fourth
doubles
cannot be determined without values
is halved
is reduced to one-fourth
doubles
cannot be determined without values
is halved
Answer
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RC Circuits
When the frequency of the voltage applied to a series RC circuit is decreased, the impedance
decreases
doubles
remains the same
increases
decreases
doubles
remains the same
increases
Answer
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RC Circuits
A 470 resistor and a 0.2 F capacitor are in parallel across a 2.5 kHz ac source. The admittance, Y, in rectangular form, is
3.14 mS + j2.12 mS
212
2.12 mS + j3.14 mS
318.3
3.14 mS + j2.12 mS
212
2.12 mS + j3.14 mS
318.3
Answer
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RC Circuits
What is the value of the hypotenuse of a right triangle whose sides are 12 and 18?
3.46
4.24
21.63
2.16
3.46
4.24
21.63
2.16
Answer
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