A 47 ohm resistor and a capacitor with a capacitive reactance of 120 o – McqOptions

MCQOPTIONS

1.	A 47 ohm resistor and a capacitor with a capacitive reactance of 120 ohm are in series across an ac source. What is the circuit impedance, Z?
A.	12.9 ohm
B.	129 ohm
C.	73 ohm
D.	167 ohm
Answer» C. 73 ohm

Discussion

No Comment Found

Related MCQs

A resistor and a capacitor are in series across a 20 V ac source. Circuit impedance is 4.33 k ohm. Current flow in the circuit is
A 47 ohm resistor and a capacitor with a capacitive reactance of 120 ohm are in series across an ac source. What is the circuit impedance, Z?
In the complex plane, the number 4 j3 is located in the
Point 4 on the complex plane is
If the maximum value of a current of a circuit is 1 Amp (sinusoidal wave), what is the R.M.S value....
A 2 k ohm resistor is in series with a 0.015 F capacitor across a 15 kHz ac source. What is the magnitude of the total impedance and the phase angle?
A 47 resistor and a capacitor with 150 of capacitive reactance are in series across an ac source. The impedance, expressed in rectangular form, is
When the frequency of the voltage applied to a series RC circuit is decreased, the impedance
A capacitor with 150 of capacitive reactance is across an ac source. The impedance, expressed in polar form, is
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?