AIIMS (All India Institute of Medical Sciences) Physics: Questions 90 - 94 of 500

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Question number: 90

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

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Appeared in Year: 1982

MCQ▾

Question

The current passing through a choke coil of 5 H is decreasing at the rate of . The emf developing across the coil is – [CPMT, MPPMT-90, AIIMS-97]

Choices

Choice (4)Response

a.

2.5 V

b.

– 10 V

c.

10 V

d.

– 2.5 V

Question number: 91

» Properties of Solids & Liquids » Pressure Due to a Fluid Column

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MCQ▾

Question

A body is just floating in a liquid (their densities are equal). If the body is slightly pressed down and released then it will –

Choices

Choice (4)Response

a.

Sink to the bottom

b.

Start oscillating

c.

Come back to the same position slowly.

d.

Come back to the same position immediately

Question number: 92

» Physics and Measurement » Dimensions of Physical Quantities

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Appeared in Year: 1985

MCQ▾

Question

Planck’s constant has dimensions of – [AIIMS; MP PMT 1987; EAMCET 1990; USSR MEE 1991; CPMT 1983,84,85,90,91; CBSE 2001,2002; MP PET 2002; RPMT 2003]

Choices

Choice (4)Response

a.

Momentum

b.

Frequency

c.

Energy

d.

Angular momentum

Question number: 93

» Current Electricity » Series and Parallel Combinations of Resistors

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Appeared in Year: 2000

MCQ▾

Question

Same length of two identical wires are first connected in series and then in parallel. The amount of heat produce in both the conditions is in the ratio of: [AIIMS]

Choices

Choice (4)Response

a.

1: 2

b.

1: 4

c.

2: 1

d.

4: 1

Question number: 94

» Electromagnetic Induction & Alternating Currents » Alternating Currents

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Appeared in Year: 1997

MCQ▾

Question

In an A. C. circuit containing only capacitance, the current – [AIIMS]

Choices

Choice (4)Response

a.

Lags the voltage by 90°

b.

Remains in phase with the voltage

c.

Leads the voltage by 90°

d.

Leads the voltage by 180°

Developed by: