EE MCQ
EE MCQ
Home
Quiz
Contact Us
RC Circuits
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
460 mA
9.2 mA
92 mA
4.6 mA
460 mA
9.2 mA
92 mA
4.6 mA
Answer
Download EE MCQ app
Related Question
RC Circuits
A capacitor with 150Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, is
Z = 150 angle – 90° Ω
Z = 150
Z = 150 angle 180° Ω
Z = 150 –90° Ω
Z = 150 angle – 90° Ω
Z = 150
Z = 150 angle 180° Ω
Z = 150 –90° Ω
Answer
Download EE MCQ app
RC Circuits
When the frequency of the voltage applied to a series RC circuit is decreased, the impedance
remains the same
decreases
doubles
increases
remains the same
decreases
doubles
increases
Answer
Download EE MCQ app
RC Circuits
A 470 resistor and a 0.2 F capacitor are in parallel across a 2.5 kHz ac source. The admittance, Y, in rectangular form, is
2.12 mS + j3.14 mS
212
3.14 mS + j2.12 mS
318.3
2.12 mS + j3.14 mS
212
3.14 mS + j2.12 mS
318.3
Answer
Download EE MCQ app
RC Circuits
A 2 k 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?
73.4 and θ = –19.5°
707 and θ = –19.5°
2121 and θ = –19.5°
734 and θ = –38.9°
73.4 and θ = –19.5°
707 and θ = –19.5°
2121 and θ = –19.5°
734 and θ = –38.9°
Answer
Download EE MCQ app
RC Circuits
A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is
12 kHz
6 kHz
18 kHz
0 Hz
12 kHz
6 kHz
18 kHz
0 Hz
Answer
Download EE MCQ app
Search
Login here
Google
Download our application
Android
Apple
Follow Us
Facebook
Telegram
Instagram