If the frequency is halved and the resistance is doubled, the impedanc – McqOptions

MCQOPTIONS

1.	If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit
A.	doubles
B.	halves
C.	remains constant
D.	cannot be determined without values
Answer» E.

Discussion

No Comment Found

Related MCQs

A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty cycle is
A sine wave with an rms value of 12 V is riding on a dc level of 18 V. The maximum value of the resulting waveform is
If the rms current through a 6.8 k resistor is 8 mA, the rms voltage drop across the resistor is
The average half-cycle value of a sine wave with a 40 V peak is
A square wave has a period of 60 s. The first odd harmonic 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 I = 0.30 mA, what is the source voltage expressed in polar form?
A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is
For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is
What is the value of the hypotenuse of a right triangle whose sides are 12 and 18?
In a parallel RC circuit, there is 100 mA through the resistive branch and 100 mA through the capacitive branch. The total rms current is