Electrostatic Potential and Capacitance-3
Class 12 Physics Science

MCQ Questions Class 12 Electrostatic Potential and Capacitance With Answers

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CBSE Class 12 Electrostatic Potential and Capacitance Multiple Choice Questions with Answers. MCQ Questions Class 12 Electrostatic Potential and Capacitance with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 12 Electrostatic Potential and Capacitance MCQs with Answers to know their preparation level.

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Students who are searching for NCERT MCQ Questions for Class 12 Electrostatic Potential and Capacitance with Answers are compiled here to get good practice on all fundamentals. Know your preparation level on MCQ Questions for Class 12 Electrostatic Potential and Capacitance with Answers. You can also verify your answers from our provided MCQ Class 12 Electrostatic Potential and Capacitance with Answers. So, ace up your preparation with MCQ of Class 12 Physics Examinations.

MCQ Questions Class 12 Electrostatic Potential and Capacitance with Answers - Set - 3

Question 1: 

If a +ve charge is moved from low to high potential region,
the electric potential energy:
(a) decreases
(b) increases
(c) remain the same
(d) may increase or decrease

Correct Answer – (B)

Question 2 : 

The capacitance of earth, viewed as a spherical conductor of radius 6408 km is:
(a) 1420 µF
(b) 712 µF
(c) 680 µF
(d) 540 µF

Correct Answer – (B)

Question 3 : 

A bird sitting on a high power line:
(a) gets killed instantly
(b) gets a mild shock
(c) gets a fatal shock
(d) is not affected practically

Correct Answer – (D)

Question 4 : 

The amount of work required to increase the distance between -6µC and 4µC from 6 cm to 18 cm will be :
(a) 1.8 J
(b) 2.4 J
(c) 1.8 µJ
(d) 2.4 µJ

Correct Answer – (B)

Question 5 : 

Twenty seven drops of mercury are charged simultaneously to the same potential of 10 volts. What will be potential if all the charged drops are made to combine to form one large drop ?
(a) 180 V
(b) 90 V
(c) 120 V
(d) 45 V

Correct Answer – (B)

MCQ Questions Class 12 Electrostatic Potential and Capacitance with Answers

Question 6 : 

A capacitor is connected to a cell of emf E having some internal resistance r, the potential across the:
(a) cell is < E
(b) cell is E
(b) cell is > E
(d) capacitor is E

Correct Answer – (B)

Question 7 : 

Choose the SI unit of electric potential energy :
(a) Joule
(b) Coulomb
(c) Netwon per coulomb
(d) Erg

Correct Answer – (A)

Question 8 : 

An electron initially at rest is accelerated through a potential difference of one volt. The energy gained by electron is:
(a) 1 J
(b) 1.6 × 10-19 J
(c) 10-19 J
(d) None of these

Correct Answer – (B)

Question 9 : 

The P.E. of an electric dipole is maximum when it makes an angle θ with electric field. The value of θ is :
(a) π/2
(b) π
(c) zero
(d) 3π/2
Correct Answer – (B)

Question 10 : 

Two conducting spheres of radii r1 and r2 are equally charged. The ratio of their potential is
(a) (r1/r2)²
(b) (r1r2)²
(c)(r1/r2)
(d) (r2/r1)

Correct Answer – (B)
MCQ Questions Class 12 Electrostatic Potential and Capacitance with Answers
Set 1
Set 2
Set 3
Set 4
Set 5

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