EASY
12th CBSE
IMPORTANT
Earn 100

State Biot-Savart law and express it in the vector form.

Important Questions on Magnetic Effect of Current
EASY
12th CBSE
IMPORTANT
Using Biot-Savart law, obtain the expression for the magnetic field due to a circular coil of radius , carrying a current at a point on its axis distant from the centre of the coil.

EASY
12th CBSE
IMPORTANT
State Ampere's circuital law and prove this law for a circular path around a long current carrying conductor.

MEDIUM
12th CBSE
IMPORTANT
State Ampere's circuital law. Use this law to find magnetic field due to straight infinite current.

EASY
12th CBSE
IMPORTANT
A long solenoid with closely wound turns has turns, per unit of its length. A steady current flows through this solenoid. Use Ampere's circuital law to obtain an expression, for the magnetic field, at a point on its axis and close to its midpoint. Draw its field lines.

EASY
12th CBSE
IMPORTANT
How is a toroid different from a solenoid?

EASY
12th CBSE
IMPORTANT
Use Ampere's circuital law to obtain the magnetic field inside a toroid.

EASY
12th CBSE
IMPORTANT
Show that in an ideal toroid, the magnetic field inside the toroid at any point in the open space is zero.

EASY
12th CBSE
IMPORTANT
Show that in an ideal toroid, the magnetic field outside the toroid at any point in the open space is zero.
