Gamma Question Bank for Engineering Physics>Chapter 18 - Moving Charges and Magnetism>EXERCISE>Q 33

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A charge $q,$ mass $m$ moving with velocity $v$ enters region of magnetic field $B$ as shown in diagram. Assuming magnetic field to be constant (within corresponding region), find deviation of charge and time spent in it by the charge.

Important Questions on Moving Charges and Magnetism

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Gamma Question Bank for Engineering Physics>Chapter 18 - Moving Charges and Magnetism>EXERCISE>Q 34

A charge

q

of mass

m,

moving with velocity

v_{0} \hat{i}

enters a region of magnetic field

B_{0} \hat{i}

and electric field

E_{0} \hat{i} .

If

\frac{E_{0}}{B_{0}} = v_{0},

then motion of charge will be

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Gamma Question Bank for Engineering Physics>Chapter 18 - Moving Charges and Magnetism>EXERCISE>Q 35

A charged particle moves in a gravity free space without change in its velocity. Which of the following is not possible?

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Gamma Question Bank for Engineering Physics>Chapter 18 - Moving Charges and Magnetism>EXERCISE>Q 36

A charge

q

of mass

m,

moving with velocity

v_{0} \hat{i} + v_{0} \hat{j}

enters a region of magnetic field

B_{0} \hat{j}

and electric field

E_{0} \hat{j} .

Which of the following is the correct expression for pitch during first revolution?

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Gamma Question Bank for Engineering Physics>Chapter 18 - Moving Charges and Magnetism>EXERCISE>Q 37

A particle of charge

Q

and mass

m

is initially at rest at origin. Electric field is given by

E_{0} \hat{j}

while magnetic field is

B_{0} \hat{k} .

Find speed of particle when the coordinator of particle are

(\frac{2 π m v}{q B}, 0, 0) .

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Gamma Question Bank for Engineering Physics>Chapter 18 - Moving Charges and Magnetism>EXERCISE>Q 38

Find magnetic moment in following cases.

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Gamma Question Bank for Engineering Physics>Chapter 18 - Moving Charges and Magnetism>EXERCISE>Q 39

A charge

q,

mass

m

is moving in uniform circular motion under action of a magnetic field

B .

Find magnetic moment associated with the charge. Radius of circle is

' R' .

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Gamma Question Bank for Engineering Physics>Chapter 18 - Moving Charges and Magnetism>EXERCISE>Q 40

A ring of radius

R

with charge

q

uniformly distributed over it is rotated with angular speed

ω

around its axis. Find magnetic moment of the ring.

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Gamma Question Bank for Engineering Physics>Chapter 18 - Moving Charges and Magnetism>EXERCISE>Q 41

A disk of radius

R

with charge

q

uniformly distributed over it is rotated with angular speed

ω .

Find magnetic moment associated with it.