Electrostatics Test

Result

Electrostatics Test - 152

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Weekly Quiz Competition

Question 1
4 / -1

A

B

C

D
Question 2
4 / -1

The protonic charge in 100 gm of water is .......... c

A

B

C

D
Question 3
4 / -1

A

B

C

D
Question 4
4 / -1

The rate of alpha particle falls on neutral sphere is 10¹² per second. The time in which sphere gets charged by 2c is ......... sec.

A
2.25

B
3.15

C
6.25

D
1.66
Question 5
4 / -1

A charge Q is divided into two parts and then they are placed at a fixed distance. The force between the two charges is always maximum when the charges are .........

A

B

C

D
Question 6
4 / -1

Two point charges repel each other with a force of 100 N. One of the charges is increased by 10% and other is reduced by 10%. The new force of repulsion at the same distance would be ........ N.

A
121

B
100

C
99

D
89
Question 7
4 / -1

Given that q₁ + q₂ = q if the between q₁ and q₂ is maximum, q₁/q……..

A
1

B
0.75

C
0.25

D
0.5
Question 8
4 / -1

Two small conducting sphere of equal radius have charges +1c and – 2c respectively and placed at a distance d from each other experience force F₁. If they are brought in contact and separated to the same distance, they experience force F₂. The ratio of F₁ to F₂ is ………

A
–8 : 1

B
1 : 2

C
1 : 8

D
–2 : 1
Question 9
4 / -1

Three charges, each of value Q, are placed at the vertex of an equilateral triangle. A fourth charge q is placed at the centre of the triangle. If the charges remains stationery then, q = ...............

A

B

C

D

Solution
Question 10
4 / -1

A

B

C

D

Solution