# Electrostatics (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 25 - 27 of 109

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## Question number: 25

» Electrostatics » Capacitors

MCQ▾

### Question

The resultant capacitance of given circuit is

### Choices

Choice (4) Response

a.

3C

b.

C/3

c.

2C

d.

None of the above

## Question number: 26

» Electrostatics » Electrostatic Potential Energy

MCQ▾

### Question

As shown in figure a dust particle with mass m = 5.010 -9 kg and charge q 0 = 2.0 nC starts from rest at point a and moves in a straight line to point b. What is its speed v at point b?

### Choices

Choice (4) Response

a.

26 ms -1

b.

14 ms -1

c.

46 ms -1

d.

34 ms -1

## Question number: 27

» Electrostatics » Electric Potential

Assertion-Reason▾

### Assertion (Ꭺ)

The electric potential and the electric field intensity at the center of a square having four fixed point charges at their vertices as shown in figure are zero.

### Reason (Ꭱ)

If electric potential at a point is zero then the magnitude of electric field at that point must be zero.

### 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.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are false

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