Electrostatics (NEET Physics): Questions 85 - 88 of 109

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Question number: 85

» Electrostatics » Forces Between Two Point Charges

Assertion-Reason▾

Assertion (Ꭺ)

Direction of electric field at a point signifies direction of force experienced by a point charge placed at that point.

Reason (Ꭱ)

Electric field is a vector quantity.

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

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

c.

Both Ꭺ and Ꭱ are false

d.

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

Question number: 86

» Electrostatics » Equipotential Surfaces

MCQ▾

Question

A uniform electric field pointing in positive x - direction exists in a region. Let A be the origin, B be the point on the x - axis at x =+1 cm and C be the point on the y - axis at y =+1 cm. Then the potentials at the points A, B and C satisfy

Choices

Choice (4) Response

a.

V A < V B

b.

V A > V C

c.

V A < V C

d.

V A > V B

Question number: 87

» Electrostatics » Electric Charges

Assertion-Reason▾

Assertion (Ꭺ)

Electrons move away from a low potential to high potential region.

Reason (Ꭱ)

because electrons have negative charge

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are false

c.

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

d.

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

Question number: 88

» Electrostatics » Capacitors

MCQ▾

Question

Two capacitors of capacitances 3µF and 6µFare charged to a potential of 12V each. They are now connected to each other, with the positive plate of each joined to the negative plate of the other. The potential difference across each will be

Choices

Choice (4) Response

a.

6 volt

b.

zero

c.

4 volt

d.

3 volt

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