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RC Circuits
In the complex plane, the number 4 + j3 is located in the
second quadrant
fourth quadrant
first quadrant
third quadrant
second quadrant
fourth quadrant
first quadrant
third quadrant
Answer
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Related Question
RC Circuits
When the frequency of the voltage applied to a series RC circuit is increased, the phase angle
becomes erratic
decreases
increases
remains the same
becomes erratic
decreases
increases
remains the same
Answer
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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
130 mW
84.5 mW
13 mW
845 mW
130 mW
84.5 mW
13 mW
845 mW
Answer
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RC Circuits
A 120Ω resistor is in parallel with a capacitor with a capacitive reactance of 40 Ω. Both components are across a 12 V ac source. What is the magnitude of the total impedance?
4800Ω
3.7Ω
14400Ω
37.9Ω
4800Ω
3.7Ω
14400Ω
37.9Ω
Answer
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RC Circuits
The complex number 40 angle 55° is equivalent to
45.88 + j65.52
55 + j55
22.94 + j32.76
40 + j40
45.88 + j65.52
55 + j55
22.94 + j32.76
40 + j40
Answer
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RC Circuits
For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is
25 W
275 W
195.2 W
19.52 W
25 W
275 W
195.2 W
19.52 W
Answer
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