A proton moving towards east in a horizontal plane enters a horizontal magnetic field of$0.34 \mathrm{T}$ directed towards north with a speed of $2.0 \mathrm{x} {10}^7 {\mathrm{ms}}^{-1}$ Calculate

(i) the magnitude and direction of the force on the proton,

 

A proton moving towards east in a horizontal plane enters a horizontal magnetic field of$0.34 \mathrm{T}$ directed towards north with a speed of $2.0 \mathrm{x} {10}^7 {\mathrm{ms}}^{-1}$ Calculate

(ii) radius of proton’s path and

A proton moving towards east in a horizontal plane enters into a horizontal magnetic field of $0.34 \mathrm{T}$ directed towards north with a speed of $2.0 \mathrm{x} {10}^7 {\mathrm{ms}}^{-1}$. Calculate the lateral displacement of the proton while moving 0.20 m towards east.

$\mathrm{PQ}$ is a long straight conductor carrying a current of $3\mathrm{A}$ as shown in Fig. An electron moves with a velocity of $2 \mathrm{x} {10}^7 {\mathrm{ms}}^{-1}$ parallel to it. Find the force acting on the electron.

An a-particle is moving along a circle of radius $0.45 \mathrm{m}$ in a magnetic field of $12 \mathrm{T}$. Find the speed of the particle.(Mass of $\alpha$-particle is $6.7\times {10}^{-27} \text{kg}$)

An a-particle is moving along a circle of radius $0.45 \text{m}$ in a magnetic field of$12 \mathrm{T}.$ Find the time-period of the particle. (Mass of $\alpha$-particle is $6.7 x {10}^{-27} \text{kg})$