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[" The magnetic induction at "],[" the centre of a current "],[" carrying circular coil of "],[" radius r,is "]

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The magnetic induction at the centre of a current carrying circular coil of radius 10cm is 5sqrt(5) times the magnetic induction at a point on its axis. The distance of the point from the centre of the coil in m is

The magnetic induction at the centre of a current carrying circular coil of radius 10cm is 5sqrt(5) times the magnetic induction at a point on its axis. The distance of the point from the centre of the soild in cm is

The magnetic induction at the centre of a current carrying circular coil of radius 10cm is 5sqrt(5) times the magnetic induction at a point on its axis. The distance of the point from the centre of the coild in cm is

The magnetic induction at the center of a circular coil carrying current is

The magnetic moment of a current carrying circular coil of radius r varies as

Obtain an expression for magnetic induction at the centre of current carrying circular coil.

Derive an expression for the magnetic induction at the centre of a current carrying circular coil using Biot-Savart law.

Write the expression for magnetic field at the centre of a current carrying circular coil.

The ratio of magnetic field at the centre of a current carrying circular coil to its magnetic moment is 'r'. If the current and the radius both are doubled. The new ratio will become