Electrical Engineering - RL Circuits
Exercise : RL Circuits - General Questions
- RL Circuits - General Questions
- RL Circuits - True or False
6.
A 1.2 k
resistor is in series with a 15 mH coil across a 10 kHz ac source. The magnitude of the total impedance is
resistor is in series with a 15 mH coil across a 10 kHz ac source. The magnitude of the total impedance is152.6
1,526
1,200
942
7.
When the frequency is decreased, the impedance of a parallel RL circuit
8.
A 470 resistor and a 200 mH coil are in parallel. Both components are across a 1.5 kHz ac source. The total admittance of the circuit, in polar form, is
resistor and a 200 mH coil are in parallel. Both components are across a 1.5 kHz ac source. The total admittance of the circuit, in polar form, is12.60 
–76° mS
–76° mS12.1876° mS
76° mS218 –76° mS
–76° mS12.18 –76° mS
–76° mS9.
Referring to Problem 23, the reactive power is
10.
A 12 k resistor is in series with a 90 mH coil across an 8 kHz ac source. Current flow in the circuit, expressed in polar form, is I = 0.30° mA. The source voltage, expressed in polar form, is
resistor is in series with a 90 mH coil across an 8 kHz ac source. Current flow in the circuit, expressed in polar form, is I = 0.30° mA. The source voltage, expressed in polar form, is3.8420.6° V
20.6° V12.820.6° V
20.6° V0.320.6° V
20.6° V13.8469.4° V
69.4° VQuick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers