If a particle of charge 10 - 12 Coulomb moving along the x ^ -direction with a velocity 10 5 m s - 1 experiences a force of 10 - 10 N in y ^ -direction due to magnetic field, then the minimum magnetic field is,

6 . 25 × 10 3 T in z ^ - direction.

6 . 25 × 10 - 3 T in z ^ - direction.

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A charged particle is released from rest in a region of steady and uniform electric and magnetic fields which are parallel to each other. The particle will move in a

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Important Questions on Magnetic Effect of Electric Current

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Magnetic Effect of Electric Current>Competitive Thinking>Q 24

A positively charged particle projected towards east is deflected towards north by a magnetic field. The magnetic field may be,

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Magnetic Effect of Electric Current>Competitive Thinking>Q 25

A loop of flexible conducting wire lies in a magnetic field of

2.0 T

with its plane perpendicular to the field. The length of the wire is

1 m

. When a current of

1.1 A

is passed through the loop, it opens into a circle, then the tension developed in the wire is,

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Magnetic Effect of Electric Current>Competitive Thinking>Q 26

If a particle of charge

10^{- 12} Coulomb

moving along the

\hat{x}

-direction with a velocity

10^{5} m s^{- 1}

experiences a force of

10^{- 10} N

\hat{y}

-direction due to magnetic field, then the minimum magnetic field is,

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Magnetic Effect of Electric Current>Competitive Thinking>Q 27

A proton is moving perpendicular to a uniform magnetic field of

2.5 T

with

2 MeV

kinetic energy. The force on proton in newton is (mass of proton

= 1.6 \times 10^{- 27} kg

, charge of proton

= 1.6 \times 10^{- 19} C

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Magnetic Effect of Electric Current>Competitive Thinking>Q 28

A current of

5 A

is flowing in a wire of length

1.5 m

. A force of

7.5 N

acts on it when it is placed in a uniform magnetic field of

2 T

. The angle between the magnetic field and the direction of the current is,

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Magnetic Effect of Electric Current>Competitive Thinking>Q 29

A conductor in the form of a right angle

ΔABC

with

AB = 3 cm

and

BC = 4 cm

carries a current of

10 A

. There is a uniform magnetic field of

5 T

perpendicular to the plane of the conductor. The force on the conductor will be

AC

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Magnetic Effect of Electric Current>Competitive Thinking>Q 30

1 Tesla =

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Magnetic Effect of Electric Current>Competitive Thinking>Q 31

A particle of charge

q

moves with a velocity

\vec{v} = a \hat{i}

in a magnetic field

\vec{B} = b \hat{j} + c \hat{k}

where

a, b

and

c

are constants. The magnitude of the force experienced by the particle is,

A charged particle is released from rest in a region of steady and uniform electric and magnetic fields which are parallel to each other. The particle will move in a

Important Questions on Magnetic Effect of Electric Current

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