Electrostatics Test

Result

Electrostatics Test - 157

Score
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Rank
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Weekly Quiz Competition

Question 1
4 / -1

Two Points P and Q are maintained at the Potentials of 10 v and –4 v, respectively. The work done in moving 100 electrons from P to Q is ..............

A

B

C

D

Solution
Question 2
4 / -1

A
8, along negative x – axis

B
8, along positives x – axis

C
16, along negative x – axis

D
16, along positives x – axis

Solution
Question 3
4 / -1

A

B

C

D

Solution
Question 4
4 / -1

Three charges 2q, –q, –q are located at the vertices of an equilateral triangle. At the centre of the triangle.

A
The Field is Zero but Potential is non – zero

B
The Field is non - Zero but Potential is zero

C
Both field and Potential are Zero

D
Both field and Potential are non- Zero

Solution
Question 5
4 / -1

In the electric field of a point charge q, a certain charge is carried from point A to B, C, D and E. Then the work done ....

A
Is least along the Path AB

B
Is least along the Path AD

C
Is Zero along all the Path AB, AC, and

D
Is least along AE
Question 6
4 / -1

A

B

C

D

Solution
Question 7
4 / -1

A

B

C

D

Solution
Question 8
4 / -1

Three particles, each having a charge of 10c are placed at the corners of an equilateral triangle of side 10 cm. The electrostatic potential energy of the system is

A
100 J

B
27 J

C
Zero

D
Infinite

Solution
Question 9
4 / -1

Four equal charges Q are placed at the four corners of a square of each side is ‘a’. Work done in removing a charge – Q from its centre to infinity is ...

A
0

B

C

D

Solution
Question 10
4 / -1

Two charged spheres of radii R₁ and R₂ having equal surface charge density. The ratio of their potential is ...

A

B

C

D

Solution