MCQs of Moving Charges & Magnetism

Moving Charges & Magnetism MCQs

MCQs of Moving Charges & Magnetism

Showing 121 to 123 out of 123 Questions

121.

A uniform magnetic field B is acting from south to morth and is of magnetitude 1.5 Wb/m². If a proton having mass=1.7×10^-27 kg and charge =1.6×10^-27 C moves in this field vertically downward with energy 5 MeV. Then What will be the force acting on it ?

(a)	7.4×10¹² N
(b)	7.4×10^-12 N
(c)	7.4×10¹⁹ N
(d)	7.4×10^-19 N

122.

A deuteron of kinetic energy 50 KeV is describing a circular orbit or radius 0.5 mater in a plane perpendicular to magnetic field

\vec{B}

. The kinetic energy of the proton that describes a circular orbit of radius 05 metre in the same plane with the same ___is _____ .

(a)	25 KeV
(b)	50 KeV
(c)	200 KeV
(d)	100 KeV

123.

A proton and a deuteron both having the same kinetic energy, enter perpendicularly into a uniform magnetic field B. For the motion of a proton and a deutron on circular paths of radius R_p and R_d respectively , the correct statement is _____ .

(a)	$R_{d} = \sqrt{2} R_{p}$
(b)	$R_{d} = \frac{R_{p}}{\sqrt{2}}$
(c)	$R_{d} = R_{p}$
(d)	$R_{p} = 2 R_{p}$

Showing 121 to 123 out of 123 Questions