Gamma Question Bank for Engineering Physics>Chapter 18 - Moving Charges and Magnetism>EXERCISE>Q 31

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A particle of charge $q,$ mass $m,$ moving with velocity $v_{0} (\hat{i} + \hat{j})$ enters a region of uniform magnetic field $B_{0} \hat{i} .$ Find displacement of particle after time $t = \frac{2 π m}{q B} .$

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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 32

A particle of charge

q,

mass

m,

moving with velocity

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

enters a region of uniform magnetic field

B_{0} \hat{i}

Find displacement of particle for any arbitrary time

t .

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

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.

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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' .