Explore topic-wise MCQs in Electrical Engineering.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

CAPACITANCE_INCREASES_WITH_________?$

A. Increase in plate area
B. Decrease in plate area
C. Increase in distance between the plates
D. Increase in density of the material
Answer» B. Decrease in plate area
Discussion
2.

Capacitance decreases with __________$

A. Increase in distance between the plates
B. Decrease in plate area
C. Decrease in distance between the plates
D. Increase in density of the material
Answer» D. Increase in density of the material
Discussion
3.

Capacitor preferred when there is high frequency in the circuits is _________?

A. Electrolyte capacitor
B. Mica capacitor
C. Air capacitor
D. Glass capacitor
Answer» C. Air capacitor
Discussion
4.

A capacitor consists of_________

A. Two conductors
B. Two semiconductors
C. Two dielectrics
D. Two insulators
Answer» B. Two semiconductors
Discussion
5.

For very low frequencies, capacitor acts as ________

A. Open circuit
B. Short circuit
C. Amplifier
D. Rectifier
Answer» B. Short circuit
Discussion
6.

For high frequencies, capacitor acts as _________

A. Open circuit
B. Short circuit
C. Amplifier
D. Rectifier
Answer» C. Amplifier
Discussion
7.

A 4microF capacitor is charged to 120V, the charge in the capacitor would be?

A. 480C
B. 480microC
C. 30C
D. 30microC
Answer» C. 30C
Discussion
8.

Calculate the current in the capacitor having 2V supply voltage and 3F capacitance in 2seconds.

A. 2A
B. 5A
C. 6A
D. 3A
Answer» E.
Discussion
9.

If 2V is supplied to a 3F capacitor, calculate the chance stored in the capacitor.

A. 1.5C
B. 6C
C. 2C
D. 3C
Answer» C. 2C
Discussion
10.

What is the relation between current and voltage in a capacitor?

A. I=1/C*integral(Vdt)
B. I=CdV/dt
C. I=1/CdV/dt
D. I=Ct
Answer» C. I=1/CdV/dt
Discussion