RC Circuits - General Questions Online Exam Quiz
RC Circuits - General Questions GK Quiz. Question and Answers related to RC Circuits - General Questions. MCQ (Multiple Choice Questions with answers about RC Circuits - General Questions
In the complex plane, the number 14 – j 5 is located in the
Options
A : first quadrant
B : second quadrant
C : third quadrant
D : fourth quadrant
Point +4 on the complex plane is
Options
A : 4 units above the origin on the j axis
B : 4 units below the origin on the j axis
C : 4 units right of the origin on the real axis
D : 4 units left of the origin on the real axis
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
Options
A : 212
B : 2.12 mS + j 3.14 mS
C : 3.14 mS + j 2.12 mS
D : 318.3
A positive angle of 30° is equivalent to a negative angle of
Options
A : –30°
B : –330°
C : –60°
D : –180°
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
Options
A : 3 V
B : 27 V
C : 19.2 V
D : 1.9 V
A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is
Options
A : 0 Hz
B : 12 kHz
C : 6 kHz
D : 18 kHz
The voltages in Problem 4 are measured at a certain frequency. To make the capacitor voltage greater than the resistor voltage, the frequency
Options
A : must be increased
B : must be decreased
C : is held constant
D : has no effect
In the complex plane, the number 4 + j 3 is located in the
Options
A : first quadrant
B : second quadrant
C : third quadrant
D : fourth quadrant
When the frequency of the source voltage decreases, the impedance of a parallel RC circuit
Options
A : increases
B : decreases
C : does not change
D : decreases to zero
A 47 resistor and a capacitor with a capacitive reactance of 120 are in series across an ac source. What is the circuit impedance, Z ?
Options
A : 129
B : 12.9
C : 167
D : 73
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