153738 A magnetic needle lying parallel to a magnetic field is turned through $60^{\circ} \mathrm{C}$. The work done on it is $\mathrm{W}$. The torque required to maintain the magnetic needle in the position mentioned above is

153739 Two parallel conductors $a$ and $b$ separated by a distance ' $b$ ' carrying same current $i$. If the distance between two conductors is doubled, the ratio of forces on conductor ' $b$ ' before and after separation is

153740 Two long and parallel straight wires $A$ and $B$ carrying current $5 \mathrm{~A}$ each in same direction. If the force on a $5 \mathrm{~cm}$ section of wire $B$ is $5 \times 10^{-6}$ $\mathrm{N}$, then the separation between two wires is ( $\mu_{0}=4 \pi \times 10^{-7}$ SI unit)

153742 A triangular shaped wire carrying $10 \mathrm{~A}$ current is place in a uniform magnetic field of $0.5 \mathrm{~T}$, as shown in figure. the magnetic force on segment $\mathrm{CD}$ is (Given $\mathrm{BC}=\mathrm{CD}=\mathrm{BD}=\mathbf{5} \mathrm{cm}$ ).

153743 Two long and parallel straight wires $A$ and $B$ carrying currents of $10 \mathrm{~A}$ and $4 \mathrm{~A}$ in the same direction are separated by a distance of $2 \mathrm{~cm}$. Estimate of force on a $\mathbf{4} \mathrm{cm}$ section of wire $A$.
$\left(\mu_{0}=\mathbf{4} \pi \times 10^{-7} \mathrm{SI}\right)$

153738 A magnetic needle lying parallel to a magnetic field is turned through $60^{\circ} \mathrm{C}$. The work done on it is $\mathrm{W}$. The torque required to maintain the magnetic needle in the position mentioned above is

153739 Two parallel conductors $a$ and $b$ separated by a distance ' $b$ ' carrying same current $i$. If the distance between two conductors is doubled, the ratio of forces on conductor ' $b$ ' before and after separation is

153740 Two long and parallel straight wires $A$ and $B$ carrying current $5 \mathrm{~A}$ each in same direction. If the force on a $5 \mathrm{~cm}$ section of wire $B$ is $5 \times 10^{-6}$ $\mathrm{N}$, then the separation between two wires is ( $\mu_{0}=4 \pi \times 10^{-7}$ SI unit)

153742 A triangular shaped wire carrying $10 \mathrm{~A}$ current is place in a uniform magnetic field of $0.5 \mathrm{~T}$, as shown in figure. the magnetic force on segment $\mathrm{CD}$ is (Given $\mathrm{BC}=\mathrm{CD}=\mathrm{BD}=\mathbf{5} \mathrm{cm}$ ).

153743 Two long and parallel straight wires $A$ and $B$ carrying currents of $10 \mathrm{~A}$ and $4 \mathrm{~A}$ in the same direction are separated by a distance of $2 \mathrm{~cm}$. Estimate of force on a $\mathbf{4} \mathrm{cm}$ section of wire $A$.
$\left(\mu_{0}=\mathbf{4} \pi \times 10^{-7} \mathrm{SI}\right)$

153738 A magnetic needle lying parallel to a magnetic field is turned through $60^{\circ} \mathrm{C}$. The work done on it is $\mathrm{W}$. The torque required to maintain the magnetic needle in the position mentioned above is

153739 Two parallel conductors $a$ and $b$ separated by a distance ' $b$ ' carrying same current $i$. If the distance between two conductors is doubled, the ratio of forces on conductor ' $b$ ' before and after separation is

153740 Two long and parallel straight wires $A$ and $B$ carrying current $5 \mathrm{~A}$ each in same direction. If the force on a $5 \mathrm{~cm}$ section of wire $B$ is $5 \times 10^{-6}$ $\mathrm{N}$, then the separation between two wires is ( $\mu_{0}=4 \pi \times 10^{-7}$ SI unit)

153742 A triangular shaped wire carrying $10 \mathrm{~A}$ current is place in a uniform magnetic field of $0.5 \mathrm{~T}$, as shown in figure. the magnetic force on segment $\mathrm{CD}$ is (Given $\mathrm{BC}=\mathrm{CD}=\mathrm{BD}=\mathbf{5} \mathrm{cm}$ ).

153743 Two long and parallel straight wires $A$ and $B$ carrying currents of $10 \mathrm{~A}$ and $4 \mathrm{~A}$ in the same direction are separated by a distance of $2 \mathrm{~cm}$. Estimate of force on a $\mathbf{4} \mathrm{cm}$ section of wire $A$.
$\left(\mu_{0}=\mathbf{4} \pi \times 10^{-7} \mathrm{SI}\right)$

153738 A magnetic needle lying parallel to a magnetic field is turned through $60^{\circ} \mathrm{C}$. The work done on it is $\mathrm{W}$. The torque required to maintain the magnetic needle in the position mentioned above is

153739 Two parallel conductors $a$ and $b$ separated by a distance ' $b$ ' carrying same current $i$. If the distance between two conductors is doubled, the ratio of forces on conductor ' $b$ ' before and after separation is

153740 Two long and parallel straight wires $A$ and $B$ carrying current $5 \mathrm{~A}$ each in same direction. If the force on a $5 \mathrm{~cm}$ section of wire $B$ is $5 \times 10^{-6}$ $\mathrm{N}$, then the separation between two wires is ( $\mu_{0}=4 \pi \times 10^{-7}$ SI unit)

153742 A triangular shaped wire carrying $10 \mathrm{~A}$ current is place in a uniform magnetic field of $0.5 \mathrm{~T}$, as shown in figure. the magnetic force on segment $\mathrm{CD}$ is (Given $\mathrm{BC}=\mathrm{CD}=\mathrm{BD}=\mathbf{5} \mathrm{cm}$ ).

153743 Two long and parallel straight wires $A$ and $B$ carrying currents of $10 \mathrm{~A}$ and $4 \mathrm{~A}$ in the same direction are separated by a distance of $2 \mathrm{~cm}$. Estimate of force on a $\mathbf{4} \mathrm{cm}$ section of wire $A$.
$\left(\mu_{0}=\mathbf{4} \pi \times 10^{-7} \mathrm{SI}\right)$

153738 A magnetic needle lying parallel to a magnetic field is turned through $60^{\circ} \mathrm{C}$. The work done on it is $\mathrm{W}$. The torque required to maintain the magnetic needle in the position mentioned above is

153739 Two parallel conductors $a$ and $b$ separated by a distance ' $b$ ' carrying same current $i$. If the distance between two conductors is doubled, the ratio of forces on conductor ' $b$ ' before and after separation is

153740 Two long and parallel straight wires $A$ and $B$ carrying current $5 \mathrm{~A}$ each in same direction. If the force on a $5 \mathrm{~cm}$ section of wire $B$ is $5 \times 10^{-6}$ $\mathrm{N}$, then the separation between two wires is ( $\mu_{0}=4 \pi \times 10^{-7}$ SI unit)

153742 A triangular shaped wire carrying $10 \mathrm{~A}$ current is place in a uniform magnetic field of $0.5 \mathrm{~T}$, as shown in figure. the magnetic force on segment $\mathrm{CD}$ is (Given $\mathrm{BC}=\mathrm{CD}=\mathrm{BD}=\mathbf{5} \mathrm{cm}$ ).

153743 Two long and parallel straight wires $A$ and $B$ carrying currents of $10 \mathrm{~A}$ and $4 \mathrm{~A}$ in the same direction are separated by a distance of $2 \mathrm{~cm}$. Estimate of force on a $\mathbf{4} \mathrm{cm}$ section of wire $A$.
$\left(\mu_{0}=\mathbf{4} \pi \times 10^{-7} \mathrm{SI}\right)$