Ex. 2. A long solenoid of diametr 0.1 m has 2x 104 turns per metre. At the centre of the solenoid a 100 turn coil of radius 0.01 m is placed with axis coinciding with the solenoid axis. The current in the solenoid is decreased at a constant rate from + 2A to - 2A in 0.05 sec. Find the emf induced in the coil. Also find the total charge flowing through the coil during this time when the resistance of the coil is 10n2 ohm.
Ex. 2. A long solenoid of diametr 0.1 m has 2x 104 turns per metre. At the centre of the solenoid a 100 turn coil of radius 0.01 m is placed with axis coinciding with the solenoid axis. The current in the solenoid is decreased at a constant rate from + 2A to - 2A in 0.05 sec. Find the emf induced in the coil. Also find the total charge flowing through the coil during this time when the resistance of the coil is 10n2 ohm.
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Transcribed Image Text:Ex. 2. A long solenoid of diametr 0.1 m has 2 x 104 turns per metre. At the centre of the solenoid
a 100 turn coil of radius 0.01 m is placed with axis coinciding with the solenoid axis. The current in
the solenoid is decreased at a constant rate from + 2A to - 2A in 0.05 sec. Find the emf induced in the
coil. Also find the total charge flowing through the coil during this time when the resistance of the
coil is 10n2 ohm.
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