A coil having 100 turns and area of 0.001 metre is free to rotate about a diametrical axis. The coil is placed perpendicular to a magnetic field of 1.0 weber/ metre? If the coil is rotated rapidly through an angle of 180° how much charge (in coulomb) will flow through the coil? The resistance of the coil is 10 ohm

2A closed coil of copper whose area is 1m xx 1m is free to rotate about an axis. The coil is placed perpendicular to a magnetic field of 0.10 Wb//m^(2) . It is rotated through 180^(@) in 0.01 second. Then (The resistance of the coil is 2.0Omega )

A coil of area 100 cm^(2) having 50turns is perpendicular to a magnetic field of intensity 0.02T. The resistance of the coil is 2Omega . If t is removed from magnetic field in is the charge flown through the coil is:

A coil has 1,000 turns and 500 cm^(2) as its area. The plane of the coil is placed at right angles to a magnetic induction field of 2 xx 10^(-5) web//m^(2) . The coil is rotated through 180^(@) in 0.2 second. The average emf induced in the coil, in milli volts, is :

A coil of 40 Omega resistance has 100 turns and radius 6 mm is connected to ammeter of resistance of 160 ohms . Coil is placed perpendicular to the magnetic field. When coil is taken out of the field, 32 mu C charge flows through it. The intensity of magnetic field will be

A flat circular coil of n turns, area A and resitance R is placed in a uniform magnetic field B . The pane of coil is initially perpedicular of B . when the coil is rotated through an angle of 180^@ about one of its diameter, a charge Q_1 flows through the coil When the same coil after charge Q_2 flows through it. then Q_2//Q_1 is

A closed coil consists of 500 turns has area 4 cm^2 and a resistance of 50 Omega . The coil is kept with its plane perpendicular to a uniform magnetic field of 0.2 Wb/m^2 . Calculate the amount charge flowing through the coil if it is rotated through 180^@

A coil of 30 turns of wire each of 10 cm^(2) area is placed with its plance perpendicular to a magnetic field of 0.1 T . When the coil is suddenly withdraw from the field, a galvanometer connected in series with the coil indicated that a 10 mu C charge passes around the circuit. The combined resistance of the coil and galvanometer is