NEET Physics: Questions 234 - 238 of 2142

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Passage

Three concentric spherical conductors A, B and C of radii R, 2R and 4R respectively. A and C is shorted and B is uniformly charged.

Three concentric spherical conductors

Three Concentric Spherical Conductors

Three concentric spherical conductors A, B and C of radii R, 2R and 4R respectively.

Question number: 234 (2 of 3 Based on Passage) Show Passage

» Electrostatics » Electric Potential

MCQ▾

Question

Potential at A is due to B

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Question does not provide sufficient data or is vague

Question number: 235 (3 of 3 Based on Passage) Show Passage

» Electrostatics » Electric Potential

MCQ▾

Question

Charge on conductor A is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

All of the above

Question number: 236

» Rotational Motion » Angular Momentum

MCQ▾

Question

If the earth is a point mass of 5 × 1024 kg revolving around the sun at a distance of 1.1 × 108 km and in time T = 3.14 × 107 s. Then the angular momentum of the earth around the sun is

Choices

Choice (4) Response

a.

1.5 x 10 37 kg m 2 /s

b.

1.21 x 10 40 kg m 2 /s

c.

2.7 x 10 40 kg m 2 /s

d.

1.21 x 10 40 kg m 2

Question number: 237

» Electrostatics » Capacitors

MCQ▾

Question

Five identical plates each of area A are joined as shown in the figure. The distance between the plates is d. The plates are connected to a potential difference of V volts. The charge on plates 1 and 4 will be respectively

5 identical plates each with Area A

5 Identical Plates Each With Area A

Five identical plates each of area A are joined in figure.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

All of the above

Question number: 238

» Electrostatics » Electrostatic Potential Energy

MCQ▾

Question

An electric dipole has the magnitude of its charge is q and its dipole moment is p. It is placed in a uniform electric field E. If its dipole moment is along the direction of the field, the force on it and its potential energy are respectively

Choices

Choice (4) Response

a.

Zero and minimum

b.

q. E and p. E

c.

2q. E and minimum

d.

q. E and maximum

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