Electrostatics-Gauss's Law [NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 1 - 4 of 8

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Question number: 1

» Electrostatics » Gauss's Law

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MCQ▾

Question

A sphere of radius R has a uniform distribution of electric charge in its volume. At a distance x from its center, for x < R, the electric field is directly proportional to

Choices

Choice (4)Response

a.

x 2

b.

c.

d.

x

Passage

A sphere of radius R contains charge density ρ (r) = A (R-r), for 0 The total electric charge inside the sphere is Q.

Question number: 2 (1 of 2 Based on Passage) Show Passage

» Electrostatics » Gauss's Law

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MCQ▾

Question

The electric field inside the sphere is

Choices

Choice (4)Response

a.

b.

c.

d.

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

» Electrostatics » Gauss's Law

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MCQ▾

Question

The value of A in terms of Q and R is to

Choices

Choice (4)Response

a.

b.

c.

d.

Both b. and a. are correct

Question number: 4

» Electrostatics » Gauss's Law

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Appeared in Year: 2016

MCQ▾

Question

A uniform magnetic field is restrict within a region of radius . The magnetic field changes with time at a rate . Loop 1 of radius encloses the region and loop 2 of radius R is outside the region of magnetic field as shown in the figure below. Then the e. m. f. generated is:

Circle cCircle c: Circle through B with center ACircle cCircle c: Circle through B with center ACircle dCircle d: Circle through C with center ACircle d_1Circle d_1: Circle through C_1 with center A_1Segment fSegment f: Segment [A, D] Segment gSegment g: Segment [A, E] Segment g_1Segment g_1: Segment [A_2, E_1] Point AA = (-1.04,2.64) Point AA = (-1.04,2.64) Point A_1A_1 = (3.44,2.72) Point A_1A_1 = (3.44,2.72) rtext1 = “r”Rtext1_1 = “R”Rtext1_2 = “R”1text1_3 = “1”2text1_4 = “2”

Two Loops of Radius R

Choices

Choice (4)Response

a.

in loop 1 and zero in loop 2

b.

zero in loop 1 and zero in loop 2

c.

in loop 1 and zero in loop 2

d.

in loop 1 and in loop 2

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