AIIMS Physics: Questions 76 - 80 of 500

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Question number: 76

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

Appeared in Year: 1995

MCQ▾

Question

A beam of electrons moving along + y direction enters in a region of uniform electric and magnetic fields. If the beam goes undeflected through this region then field (B) and (E) are directed respectively: [AIIMS]

Choices

Choice (4) Response

a.

-y axis and -z axis

b.

-x axis and -y axis

c.

+x axis and -x axis

d.

+z axis and -x axis

Question number: 77

» Electrostatics » Gauss's Law

Appeared in Year: 2003

MCQ▾

Question

Shown below is a distribution of charges. The flux of electric field due to these charges through the surface S is: - [AIIMS]

A distribution of charges

A Distribution of Charges

In figure a distribution of the charges is shown.

Choices

Choice (4) Response

a.

2q0

b.

q0

c.

Zero

d.

3q0

Question number: 78

» Work, Energy and Power » Kinetic Energy

Appeared in Year: 2001

MCQ▾

Question

A body of mass 5 kg has momentum of 10kgms . When a force of 0.2 N is applied on it for 10 seconds, what is the change in its kinetic energy: - [AIIMS]

Choices

Choice (4) Response

a.

3.3J

b.

2.2J

c.

1.1 J

d.

4.4J

Question number: 79

» Electromagnetic Induction & Alternating Currents » Electromagnetic Induction

Appeared in Year: 1996

MCQ▾

Question

To induce an emf in a coil, the magnetic flux linking [AIIMS]

Choices

Choice (4) Response

a.

Must remain constant

b.

Must increase

c.

Must decrease

d.

Can either increase or decrease

Question number: 80

» Laws of Motion » Centripetal Force

MCQ▾

Question

A body of mass 5 kg is moving in a circle of radius 1 m with an angular velocity of 2radians . The centripetal force is –

Choices

Choice (4) Response

a.

40 N

b.

10 N

c.

30 N

d.

20 N

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