Explore topic-wise MCQs in Physics.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

A parallel plate capacitor has a plate area of 100 cm2 and is separated by a distance of 20 mm. Find its capacitance.

A. 6.425 × 10-12 F
B. 5.425 × 10-12 F
C. 4.425 × 10-12 F
D. 3.425 × 10-12 F
Answer» D. 3.425 × 10-12 F
2.

Find out the correct expression of the capacitance of a parallel plate capacitor where ‘A’ is the area of the plates, ‘d’ is the distance between the plates and ‘ε0’is the permittivity of the medium.

A. \(\frac {A\varepsilon_0}{d}\)
B. \(\frac {Ad}{\varepsilon_0}\)
C. \(\frac {d\varepsilon_0}{A}\)
D. Aε0d
Answer» B. \(\frac {Ad}{\varepsilon_0}\)
3.

‘X’ is a widely used capacitor which consists of two large plane parallel conducting plates separated by a small distance. Identify X.

A. Spherical capacitor
B. Parallel plate capacitor
C. Cylindrical capacitor
D. Electrolytic capacitor
Answer» C. Cylindrical capacitor
4.

In the inner region between the two capacitor plates, the electric fields due to the two charged plates are zero.

A. True
B. False
Answer» C.
5.

What is the net electric field in the outer regions above the upper plate and below the lower plate in a parallel plate capacitor?

A. Maximum
B. Uniform
C. Zero
D. Minimum
Answer» D. Minimum
6.

Calculate the capacitance of the capacitor, if 1012 electrons are transferred from one conductor to another of a capacitor and a potential difference of 10 V develops between the two conductors.

A. 1.6 × 10-7 F
B. 160 × 10-8 F
C. 16 × 10-8 F
D. 1.6 × 10-8 F
Answer» E.
7.

Identify the factor on which the capacitance of a parallel plate capacitor does not depend.

A. Permeability of the medium between the plates
B. Area of the plates
C. Distance between the plates
D. The permittivity of the medium between the plates
Answer» B. Area of the plates
8.

How is the electric field between the two plates of a parallel plate capacitor?

A. Zero
B. Uniform
C. Maximum
D. Minimum
Answer» C. Maximum
9.

Identify the simplest and the most widely used capacitor among the following.

A. Electrolytic capacitor
B. Spherical Capacitor
C. Parallel plate capacitor
D. Cylindrical capacitor
Answer» D. Cylindrical capacitor