NEET Physics: Questions 261 - 263 of 2098

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Question number: 261

» Electrostatics » Electric Potential

MCQ▾

Question

S is a solid neutral conducting sphere. A point charge q of 1 x 10 -6 C is placed at point A. C is the center of sphere and AB is a tangent. BC = 3m and AB = 4m.

Solid neutral conducting sphere.

Solid Neutral Conducting Sphere.

S is a solid neutral conducting sphere. A point charge q of 1 x 10 - 6 C is placed at point A.

(1) The electric potential of the conductor is 1.8 kV

(2) The electric potential of the conductor is 2.25 kV

(3) The electric potential at B due to induced charges on the sphere is - 0.45 kV

(4) The electric potential at B due to induced charges on the sphere is 0.45 kV

Choices

Choice (4) Response

a.

1 and 4

b.

1 and 2

c.

1 and 3

d.

1, 2 and 3

Question number: 262

» Electrostatics » Capacitors

MCQ▾

Question

The resultant capacitance of given circuit is

Circuit Diagram with 6 capacitors

Circuit Diagram With 6 Capacitors

6 Capacitor connected as shown in figure between P and Q.

Choices

Choice (4) Response

a.

3C

b.

C/3

c.

2C

d.

None of the above

Question number: 263

» 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?

Movement of dust particle from rest in straight line

Movement of Dust Particle From Rest in Straight Line

In figure a dust particle with mass m = 5.0×10-9 kg and charge q0 = 2.0 nC starts from rest at point a and moves in a straight line to point b. At the end points of lines two charges + 3 nC and -3 nC placed.

Choices

Choice (4) Response

a.

26 ms -1

b.

14 ms -1

c.

46 ms -1

d.

34 ms -1

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