153425 The magnetic field at a centre of solenoid is $B$. The solenoid is cut into two equal parts. For the same current, what is $B$ at the centre of new solenoid?

153426 A solenoid having 2000 turns per meter has a core of area $4 \mathrm{~cm}^{2}$ and relative permeability 220. It carries a current of $5 \mathrm{~A}$. The which statement among the following is true?

153427 In a current carrying long solenoid, the field produced does not depend upon

153429 An ideal solenoid has $\mathbf{1 0 0 0}$ turns per meter and $8 \mathrm{~cm}$ radius. The current in it varies at a uniform rate of $0.02 \mathrm{~A} \mathrm{~s}^{-1}$. A circular coil of radius $2 \mathrm{~cm}$ is placed inside the solenoid such that its axis coincides with that of the solenoid. Find the induced electric field at a point on the circumference of the coil and that at a point outside the solenoid at a distance of $12.8 \mathrm{~cm}$ from its axis.

153430 Two long parallel wires are separated by a distance of $2.50 \mathrm{~cm}$. The force per unit length that each wire exerts on the other is $4 \times 10^{-}$ ${ }^{5} \mathrm{~N} / \mathrm{m}$, and the wires repel each other. The current in one wire is $0.5 \mathrm{~A}$. What is the current in the second wire?
(Take $\mu_{0}=4 \pi \times 10^{-7}$ SI Unit)

153425 The magnetic field at a centre of solenoid is $B$. The solenoid is cut into two equal parts. For the same current, what is $B$ at the centre of new solenoid?

153426 A solenoid having 2000 turns per meter has a core of area $4 \mathrm{~cm}^{2}$ and relative permeability 220. It carries a current of $5 \mathrm{~A}$. The which statement among the following is true?

153427 In a current carrying long solenoid, the field produced does not depend upon

153429 An ideal solenoid has $\mathbf{1 0 0 0}$ turns per meter and $8 \mathrm{~cm}$ radius. The current in it varies at a uniform rate of $0.02 \mathrm{~A} \mathrm{~s}^{-1}$. A circular coil of radius $2 \mathrm{~cm}$ is placed inside the solenoid such that its axis coincides with that of the solenoid. Find the induced electric field at a point on the circumference of the coil and that at a point outside the solenoid at a distance of $12.8 \mathrm{~cm}$ from its axis.

153430 Two long parallel wires are separated by a distance of $2.50 \mathrm{~cm}$. The force per unit length that each wire exerts on the other is $4 \times 10^{-}$ ${ }^{5} \mathrm{~N} / \mathrm{m}$, and the wires repel each other. The current in one wire is $0.5 \mathrm{~A}$. What is the current in the second wire?
(Take $\mu_{0}=4 \pi \times 10^{-7}$ SI Unit)

153425 The magnetic field at a centre of solenoid is $B$. The solenoid is cut into two equal parts. For the same current, what is $B$ at the centre of new solenoid?

153426 A solenoid having 2000 turns per meter has a core of area $4 \mathrm{~cm}^{2}$ and relative permeability 220. It carries a current of $5 \mathrm{~A}$. The which statement among the following is true?

153427 In a current carrying long solenoid, the field produced does not depend upon

153429 An ideal solenoid has $\mathbf{1 0 0 0}$ turns per meter and $8 \mathrm{~cm}$ radius. The current in it varies at a uniform rate of $0.02 \mathrm{~A} \mathrm{~s}^{-1}$. A circular coil of radius $2 \mathrm{~cm}$ is placed inside the solenoid such that its axis coincides with that of the solenoid. Find the induced electric field at a point on the circumference of the coil and that at a point outside the solenoid at a distance of $12.8 \mathrm{~cm}$ from its axis.

153430 Two long parallel wires are separated by a distance of $2.50 \mathrm{~cm}$. The force per unit length that each wire exerts on the other is $4 \times 10^{-}$ ${ }^{5} \mathrm{~N} / \mathrm{m}$, and the wires repel each other. The current in one wire is $0.5 \mathrm{~A}$. What is the current in the second wire?
(Take $\mu_{0}=4 \pi \times 10^{-7}$ SI Unit)

153425 The magnetic field at a centre of solenoid is $B$. The solenoid is cut into two equal parts. For the same current, what is $B$ at the centre of new solenoid?

153426 A solenoid having 2000 turns per meter has a core of area $4 \mathrm{~cm}^{2}$ and relative permeability 220. It carries a current of $5 \mathrm{~A}$. The which statement among the following is true?

153427 In a current carrying long solenoid, the field produced does not depend upon

153429 An ideal solenoid has $\mathbf{1 0 0 0}$ turns per meter and $8 \mathrm{~cm}$ radius. The current in it varies at a uniform rate of $0.02 \mathrm{~A} \mathrm{~s}^{-1}$. A circular coil of radius $2 \mathrm{~cm}$ is placed inside the solenoid such that its axis coincides with that of the solenoid. Find the induced electric field at a point on the circumference of the coil and that at a point outside the solenoid at a distance of $12.8 \mathrm{~cm}$ from its axis.

153430 Two long parallel wires are separated by a distance of $2.50 \mathrm{~cm}$. The force per unit length that each wire exerts on the other is $4 \times 10^{-}$ ${ }^{5} \mathrm{~N} / \mathrm{m}$, and the wires repel each other. The current in one wire is $0.5 \mathrm{~A}$. What is the current in the second wire?
(Take $\mu_{0}=4 \pi \times 10^{-7}$ SI Unit)

153425 The magnetic field at a centre of solenoid is $B$. The solenoid is cut into two equal parts. For the same current, what is $B$ at the centre of new solenoid?

153426 A solenoid having 2000 turns per meter has a core of area $4 \mathrm{~cm}^{2}$ and relative permeability 220. It carries a current of $5 \mathrm{~A}$. The which statement among the following is true?

153427 In a current carrying long solenoid, the field produced does not depend upon

153429 An ideal solenoid has $\mathbf{1 0 0 0}$ turns per meter and $8 \mathrm{~cm}$ radius. The current in it varies at a uniform rate of $0.02 \mathrm{~A} \mathrm{~s}^{-1}$. A circular coil of radius $2 \mathrm{~cm}$ is placed inside the solenoid such that its axis coincides with that of the solenoid. Find the induced electric field at a point on the circumference of the coil and that at a point outside the solenoid at a distance of $12.8 \mathrm{~cm}$ from its axis.

153430 Two long parallel wires are separated by a distance of $2.50 \mathrm{~cm}$. The force per unit length that each wire exerts on the other is $4 \times 10^{-}$ ${ }^{5} \mathrm{~N} / \mathrm{m}$, and the wires repel each other. The current in one wire is $0.5 \mathrm{~A}$. What is the current in the second wire?
(Take $\mu_{0}=4 \pi \times 10^{-7}$ SI Unit)