The voltages in Problem 4 are measured at a certain frequency. To make – McqOptions

MCQOPTIONS

1.	The voltages in Problem 4 are measured at a certain frequency. To make the capacitor voltage greater than the resistor voltage, the frequency
A.	must be increased
B.	must be decreased
C.	is held constant
D.	has no effect
Answer» C. is held constant

Discussion

No Comment Found

Related MCQs

A 120 resistor is in parallel with a capacitor with a capacitive reactance of 40 . Both components are across a 12 V ac source. What is the magnitude of the total impedance?
A 2 k resistor and a 0.002 F capacitor are in series across an ac source. Current in the circuit is 6.50 mA. The true power is
A 12 k resistor is in series with a 0.02 F capacitor across a 1.2 kHz ac source. If the current is expressed in polar form as = 0.30° mA, what is the source voltage expressed in polar form?
In a series circuit, when the frequency and the resistance are halved, the impedance
A resistor and a capacitor are in series across a 20 V ac source. Circuit impedance is 4.33 k. Current flow in the circuit is
In a parallel circuit, there is 100 mA through the resistive branch and 100 mA through the capacitive branch. The total rms current is
What is the angular difference between +4 and –4?
In the complex plane, the number 4 + 3 is located in the
When the frequency of the source voltage decreases, the impedance of a parallel circuit
A 47 resistor and a capacitor with a capacitive reactance of 120 are in series across an ac source. What is the circuit impedance, ?