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RC Circuits
In the complex plane, the number 14 – j5 is located in the
fourth quadrant
third quadrant
second quadrant
first quadrant
fourth quadrant
third quadrant
second quadrant
first quadrant
Answer
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Related Question
RC Circuits
What is the angular difference between +j4 and –j4?
270°
180°
90°
30°
270°
180°
90°
30°
Answer
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RC Circuits
In a series RC circuit, 12 V(rms) is measured across the resistor and 15 V(rms) is measured across the capacitor. The rms source voltage is
1.9 V
27 V
3 V
19.2 V
1.9 V
27 V
3 V
19.2 V
Answer
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RC Circuits
In a series RC circuit, when the frequency and the resistance are halved, the impedance
doubles
is reduced to one-fourth
is halved
cannot be determined without values
doubles
is reduced to one-fourth
is halved
cannot be determined without values
Answer
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RC Circuits
An ac circuit consists of a resistor and a capacitor. To increase the phase angle above 45°, the following condition must exist:
R < XC
R = XC
R > XC
R = 5XC
R < XC
R = XC
R > XC
R = 5XC
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?
14400Ω
3.7Ω
4800Ω
37.9Ω
14400Ω
3.7Ω
4800Ω
37.9Ω
Answer
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