153595 A wire shown in figure carries a current of 40 A. If $r=3.14 \mathrm{~cm}$, the magnetic field at point $P$ will be :

153596 The Magnetic field at the centre of a current carrying circular loop is $B$. If the radius of the loop is doubled, keeping the current same, the magnetic field at the centre of the loop would be:

153597 An electron, a proton, a deuteron and an alpha particle, each having the same speed are in a region of constant magnetic field perpendicular to the direction of the velocities of the particles. The radius of the circular orbits of the these particles are respectively $R_{e}, R_{p}, R_{d}$ and $R_{\alpha}$. It follows that :

153598 A $2 \mu \mathrm{C}$ charge moving around a circle with a frequency of $6.25 \times 10^{12} \mathrm{~Hz}$ produces $\mathrm{a}$ magnetic field $6.28 \mathrm{~T}$ at the centre of the circle. The radius of the circle is

153595 A wire shown in figure carries a current of 40 A. If $r=3.14 \mathrm{~cm}$, the magnetic field at point $P$ will be :

153596 The Magnetic field at the centre of a current carrying circular loop is $B$. If the radius of the loop is doubled, keeping the current same, the magnetic field at the centre of the loop would be:

153597 An electron, a proton, a deuteron and an alpha particle, each having the same speed are in a region of constant magnetic field perpendicular to the direction of the velocities of the particles. The radius of the circular orbits of the these particles are respectively $R_{e}, R_{p}, R_{d}$ and $R_{\alpha}$. It follows that :

153598 A $2 \mu \mathrm{C}$ charge moving around a circle with a frequency of $6.25 \times 10^{12} \mathrm{~Hz}$ produces $\mathrm{a}$ magnetic field $6.28 \mathrm{~T}$ at the centre of the circle. The radius of the circle is

153595 A wire shown in figure carries a current of 40 A. If $r=3.14 \mathrm{~cm}$, the magnetic field at point $P$ will be :

153596 The Magnetic field at the centre of a current carrying circular loop is $B$. If the radius of the loop is doubled, keeping the current same, the magnetic field at the centre of the loop would be:

153597 An electron, a proton, a deuteron and an alpha particle, each having the same speed are in a region of constant magnetic field perpendicular to the direction of the velocities of the particles. The radius of the circular orbits of the these particles are respectively $R_{e}, R_{p}, R_{d}$ and $R_{\alpha}$. It follows that :

153598 A $2 \mu \mathrm{C}$ charge moving around a circle with a frequency of $6.25 \times 10^{12} \mathrm{~Hz}$ produces $\mathrm{a}$ magnetic field $6.28 \mathrm{~T}$ at the centre of the circle. The radius of the circle is

153595 A wire shown in figure carries a current of 40 A. If $r=3.14 \mathrm{~cm}$, the magnetic field at point $P$ will be :

153596 The Magnetic field at the centre of a current carrying circular loop is $B$. If the radius of the loop is doubled, keeping the current same, the magnetic field at the centre of the loop would be:

153597 An electron, a proton, a deuteron and an alpha particle, each having the same speed are in a region of constant magnetic field perpendicular to the direction of the velocities of the particles. The radius of the circular orbits of the these particles are respectively $R_{e}, R_{p}, R_{d}$ and $R_{\alpha}$. It follows that :

153598 A $2 \mu \mathrm{C}$ charge moving around a circle with a frequency of $6.25 \times 10^{12} \mathrm{~Hz}$ produces $\mathrm{a}$ magnetic field $6.28 \mathrm{~T}$ at the centre of the circle. The radius of the circle is