NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 12

HARD

12th ICSE

IMPORTANT

Earn 100

At each corner of an equilateral triangle charges of $+ 250 μC$ are placed in air. What will be the resultant electric potential at the centroid of the triangle whose distance from each comer is $18 cm$ ?

Important Questions on Electric Potential

HARD

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 13

Electric charges of the same nature and each of

100 μC

are placed at the corners of a square having a diagonal of

2 m

. Determine the resultant potential at the centre of the square.

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 14

10 J

of work is required to move a charge of

- 200 C

from point

A

to

B

. Which of the two points is at higher potential?

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 14

10 J

of work is required to move a charge of

- 200 C

From point A to B. What is the

P D

Between them?

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 14

10 J

of work is required to move a charge of

- 200 C

from point

A

to

B

. If the points are

4 c m

apart, what is the component of the electric field parallel to the line joining

A

and

B

?

HARD

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 15

3.24 \times 10^{- 4} J

of work is done in taking

3.0 \times 10^{- 8} C

of charge in a uniform electric field from one point to the other.If the distance between the points be.

12 cm

, calculate the intensity of the electric field.

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 16

Two plane metallic plates are at a distance of

2 cm

. These are connected to a battery of

1000 V .

A proton is placed between these plates. Find out intensity of electric field between the plates?

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 16

Two plane metallic plates are at a distance of

2 c m

. These are connected to a battery of

1000 V A

proton is placed between these plates. Find out force on the proton. Will the proton experience different forces at different places between the two plates?

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 17

The distance between two horizontal parallel plates is

2.0 cm

and the potential difference between them is

120 V

Calculate: electric field between the plates.