Explore topic-wise MCQs in Physics.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

What happens to the capacitance when a dielectric material is inserted between the plates of a parallel plate capacitor?

A. Capacitance decreases
B. Capacitance remains same
C. Capacitance increases
D. Depends upon the material of the dielectric
Answer» D. Depends upon the material of the dielectric
Discussion
2.

The total capacitance of capacitors connected in parallel is given by _____

A. product of the individual capacitors in parallel
B. sum of all the individual capacitors in parallel
C. sum of their reciprocals
D. product of their reciprocals
Answer» C. sum of their reciprocals
Discussion
3.

What is the value of capacitance of a capacitor if it has a charge of 9C and voltage of 5V?

A. 1.8F
B. 45F
C. 4.5F
D. 8.1F
Answer» B. 45F
Discussion
4.

When n capacitors are connected in series the total capacitance(C) of the combination is given by ______

A. C=C<sub>1</sub>+C<sub>2</sub>+C<sub>3</sub>+C<sub>4</sub>+ ..+C<sub>n</sub>
B. C=C<sub>1</sub>*C<sub>2</sub>*C<sub>3</sub>*C<sub>4</sub>* ..*C<sub>n</sub>
C. ( frac {1}{C} = frac {1}{C_1} + frac {1}{C_2} + frac {1}{C_3} + . + frac {1}{C_n} )
D. C= ( frac {(C_1+C_2+C_3+C_4+ +C_n)}{n} )
Answer» D. C= ( frac {(C_1+C_2+C_3+C_4+ +C_n)}{n} )
Discussion
5.

What is the dimensional formula of capacitance of a capacitor?

A. M<sup>1</sup>L<sup>2</sup>T<sup>-4</sup>I<sup>-2</sup>
B. M<sup>-1</sup>L<sup>-2</sup>T<sup>4</sup>I<sup>2</sup>
C. M<sup>-1</sup>L<sup>-2</sup>T<sup>6</sup>
D. M<sup>-2</sup>L<sup>2</sup>T<sup>4</sup>
Answer» C. M<sup>-1</sup>L<sup>-2</sup>T<sup>6</sup>
Discussion