00. Biot-Savart's Law and Magnetic Field, Lorentz Force
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Moving Charges & Magnetism

153400 Two similar coils of radius R are lying concentrically with their planes at right angles to each other. The currents flowing in them are I and 2I, respectively. The resultant magnetic field induction at the centre will be

1 5μ0I2R
2 3μ0I2R
3 μ0I2R
4 μ0IR
Moving Charges & Magnetism

153402 A coil having n number of turns and area A is placed in a magnetic field B so that is axis makes an angle 60 with the direction of B. if B changes with time, the magnitude of the emf induced in the coil will be

1 nAdBdt
2 12AndBdt
3 12nAdBdt
4 13AndBdt
Moving Charges & Magnetism

153403 A wire loop of area A is placed in a uniform a magnetic field B so that the direction of B is parallel to the plane of the coil. If B changes with time the emf induced in the loop will be

1 AdBdt
2 AdBdt
3 zero
4 13 AdBdt
Moving Charges & Magnetism

153400 Two similar coils of radius R are lying concentrically with their planes at right angles to each other. The currents flowing in them are I and 2I, respectively. The resultant magnetic field induction at the centre will be

1 5μ0I2R
2 3μ0I2R
3 μ0I2R
4 μ0IR
Moving Charges & Magnetism

153402 A coil having n number of turns and area A is placed in a magnetic field B so that is axis makes an angle 60 with the direction of B. if B changes with time, the magnitude of the emf induced in the coil will be

1 nAdBdt
2 12AndBdt
3 12nAdBdt
4 13AndBdt
Moving Charges & Magnetism

153403 A wire loop of area A is placed in a uniform a magnetic field B so that the direction of B is parallel to the plane of the coil. If B changes with time the emf induced in the loop will be

1 AdBdt
2 AdBdt
3 zero
4 13 AdBdt
Moving Charges & Magnetism

153404 A circular current carrying coil has a radius R The distance from the centre of the coil on the axis of the coil, where the magnetic induction is 18 th of its value at the centre of coil is

1 3R
2 R3
3 (23)R
4 R23
Moving Charges & Magnetism

153400 Two similar coils of radius R are lying concentrically with their planes at right angles to each other. The currents flowing in them are I and 2I, respectively. The resultant magnetic field induction at the centre will be

1 5μ0I2R
2 3μ0I2R
3 μ0I2R
4 μ0IR
Moving Charges & Magnetism

153402 A coil having n number of turns and area A is placed in a magnetic field B so that is axis makes an angle 60 with the direction of B. if B changes with time, the magnitude of the emf induced in the coil will be

1 nAdBdt
2 12AndBdt
3 12nAdBdt
4 13AndBdt
Moving Charges & Magnetism

153403 A wire loop of area A is placed in a uniform a magnetic field B so that the direction of B is parallel to the plane of the coil. If B changes with time the emf induced in the loop will be

1 AdBdt
2 AdBdt
3 zero
4 13 AdBdt
Moving Charges & Magnetism

153404 A circular current carrying coil has a radius R The distance from the centre of the coil on the axis of the coil, where the magnetic induction is 18 th of its value at the centre of coil is

1 3R
2 R3
3 (23)R
4 R23
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Moving Charges & Magnetism

153400 Two similar coils of radius R are lying concentrically with their planes at right angles to each other. The currents flowing in them are I and 2I, respectively. The resultant magnetic field induction at the centre will be

1 5μ0I2R
2 3μ0I2R
3 μ0I2R
4 μ0IR
Moving Charges & Magnetism

153402 A coil having n number of turns and area A is placed in a magnetic field B so that is axis makes an angle 60 with the direction of B. if B changes with time, the magnitude of the emf induced in the coil will be

1 nAdBdt
2 12AndBdt
3 12nAdBdt
4 13AndBdt
Moving Charges & Magnetism

153403 A wire loop of area A is placed in a uniform a magnetic field B so that the direction of B is parallel to the plane of the coil. If B changes with time the emf induced in the loop will be

1 AdBdt
2 AdBdt
3 zero
4 13 AdBdt
Moving Charges & Magnetism

153404 A circular current carrying coil has a radius R The distance from the centre of the coil on the axis of the coil, where the magnetic induction is 18 th of its value at the centre of coil is

1 3R
2 R3
3 (23)R
4 R23