Electrostatics (NEET Physics): Questions 81 - 84 of 107

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Question number: 81

» Electrostatics » Electric Potential

MCQ▾

Question

How much kinetic energy will be gained by an α- particle in going from a point at 70V to another point at 50V?

Choices

Choice (4) Response

a.

40 MeV

b.

40 keV

c.

40 eV

d.

0 eV

Question number: 82

» Electrostatics » Electric Field Due to a Point Charge

Assertion-Reason▾

Assertion (Ꭺ)

A point charge is brought in an electric field. The field at a nearby point will increase, whatever be the nature of the charge.

Reason (Ꭱ)

The electric field is dependent on the nature of charge.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Ꭺ is true but Ꭱ is false

d.

Ꭺ is false but Ꭱ is true

Question number: 83

» Electrostatics » Electric Potential

Assertion-Reason▾

Assertion (Ꭺ)

A bird perches on a high power line and nothing happens to the bird.

Reason (Ꭱ)

The level of bird is very high from the ground.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

Question number: 84

» Electrostatics » Capacitors

MCQ▾

Question

A capacitor of capacity C 1 is charged up to V volt and then connected to an uncharged capacitor of capacity C 2. Then final potential difference across each will be

Choices

Choice (4) Response

a.

C1VC1+C2

b.

C2VC1+C2

c.

(1+C2C1)

d.

(1C2C1)

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