NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 259 - 262 of 2320

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Question number: 259

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MCQ▾

Question

Three infinitely long non-conducting charge sheets are placed as shown in figure. The electric field at point P is

Choices

Choice (4)Response

a.

b.

c.

d.

4 σ 0 k

Question number: 260

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MCQ▾

Question

Four equal charges Q are placed at the four corners of a square of each side ‘a’ Work done in removing a charge - Q from its center to infinity is

Choices

Choice (4)Response

a.

b.

0

c.

d.

Question number: 261

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MCQ▾

Question

Charges q, 2q, 3q and 4q are placed at the corners A, B, C and D of a square as shown in the following figure. The direction of electric field at the center of the square is parallel to side.

Choices

Choice (4)Response

a.

AB

b.

AC

c.

CB

d.

BD

Question number: 262

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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.

(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 2

b.

1 and 3

c.

1 and 4

d.

1,2 and 3

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