MHT CET 2020 16th October Morning Shift | Moving Charges and Magnetism Question 99 | Physics

An electron $$(e)$$ is revolving in a circular orbit of radius $$r$$ in hydrogen atom. The angular momentum of the electron is ($$M=$$ magnetic dipole moment associated with it and $$m=$$ mass of electron)

$$\frac{m M}{e}$$

$$\frac{3 M m}{e}$$

$$\frac{2 m M}{e}$$

$$\frac{4 m M}{e}$$

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

-0

A charged particle is moving in a uniform magnetic field in a circular path of radius $$R$$. When the energy of the particle becomes three times the original, the new radius will be

$$R$$

$$\sqrt{3} R$$

$$3 R$$

$$\frac{R}{3}$$

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

-0

A charge $$q$$ moves with velocity $$v$$ through electric field $$\mathrm{E}$$ as well as magnetic field (B). Then, the force acting on it is

$$q(E \times v)$$

$$q(B \times v)$$

$$q E+q(v \times B)$$

$$q(v \times B)$$

MHT CET 2019 3rd May Morning Shift

MCQ (Single Correct Answer)

-0

Maximum kinetic energy gained by the charged particle in the cyclotron is independent of

radius of the dees

charge

mass

frequency of revolution

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