Engineering Board Exam Reviewer · RC Circuits · medium
In the parallel RC circuit shown, a 96 V (rms) source with =10000 rad/s feeds R=6, and C=12.5, F in parallel. Find the magnitude of the total impedance seen by the source.
- 3.43,
- 7,
- 4.8,
- 10,
Answer
C. 4.8,
Solution
XC=1/ C= 1(10000)(12.5, F)=8, . IR=V/R= 96 V6, =16 A, IC=V/XC= 96 V8, =12 A. IT=sqrt(IR2+IC2)= (16 A)2+(12 A)2=20 A. |ZT|=V/IT= 96 V20 A=4.8, .
More RC Circuits questions
- In the parallel RC circuit shown, a 120 V (rms) source with =10000 rad/s feeds R=12, and C=20, F in parallel. Find the total current drawn…
- In the series RC circuit shown, a 340 V (rms) source with =5000 rad/s is connected to R=150, and C=2.5, F. Find the apparent power…
- In the series RC circuit shown, a 255 V (rms) source with =2000 rad/s is connected to R=150, and C=6.25, F. Find the real power dissipated…
- In the series RC circuit shown, a 50 V (rms) source with =10000 rad/s is connected to R=12, and C=6.25, F. By how many degrees does the…
- In the series RC circuit shown, a 75 V (rms) source with =500 rad/s is connected to R=15, and C=100, F. Find the voltage across the…
- In the series RC circuit shown, a 85 V (rms) source with =2000 rad/s is connected to R=75, and C=12.5, F. Find the voltage across the…
- In the series RC circuit shown, a 232 V (rms) source with =5000 rad/s is connected to R=84, and C=2.5, F. Find the current drawn from the…
- Find the capacitive reactance of a 47, F capacitor connected to a 60 Hz source.
- If the source frequency of a series RC circuit is doubled while R and C are unchanged, the capacitive reactance
- What is the capacitive reactance of a 0.1, F capacitor at 1 kHz?