An a.c generator consists of a coil of 1000 turns each of area `100 cm^(2)` and rotating at an angular speed of 100 rpm in a uniform magnetic field fo `3.6 xx 10^(2) T.` Find the peak and r.m.s value of e.m.f induced in the coil.

An a.c. generator consists of a coil of 2000 turns each of area 80 cm^(2) and rotating at an angular speed of 200 rpm in a uniform magnetic field of 4.8 xx 10^(-2) T . Calculate the peak and rms value of emf. Induced in the coil

An AC generator consists of a coil of 100 turns and area 5 m^2 rotating at an angular speed of 60 rad/s in a uniform magnetic field B =0.5 T between two fixed pole pieces. Find the peak value of voltage drawn from generator.

An a.c. generator consists of a coil of 50 turns and area 2.5 m^(2) rotating att an angular speed of 60 rad s^(-1) in a uniform magnetic field B = 0.3 T between two fixed pole pieces. The resistance of the circuit including that of coil is 500 Omega . Find (i) the max. current drawn from the generator. (ii) What will be the orientaiton of the coil w.r.t. the magnetic field to have (a) maximum (b) zero magnetic flux ? (iii) Would the generator work if the coil were stationary and instead, the pole pieces rotated together with the same speed as above ?

An a.c. generator consists of a coil of 100 turns and cross sectional area of 3 m^(2) , rotating at a constant angular speed of 60 rad//sec in a uniform magnetic field of 0.04 T. The resistance of the coil is 500 Omega . Calculate (i) maximum current drawn from the generator and (ii) max. power dissipation in the coil.

An AC generator consists of a coil of 200 turns and area of 5 m^(2) rotating at a constant angular speed of 60 rad /s in a uniform magnetic field of 0.05 T. The resistance of the coil is 400 omega . Calculate maximum current drawn from the generator .

The coil of an a.c. generator has 100 turns, each of cross sectional area 2 m^(2) . It is rotating at a constant angular speed of 30 radians // s, in a uniform magnetic field of 2 xx 10^(-2) T. What is the maximum power dissipated in the circuit, if the resistance of the circuit including that of the coil is 600 Omega ?

A coil of 1000 turns each of area 1.2m^(2) is rotating about an axis in its plane and perpendicular to uniform magnetic field of induction 2xx10^(-3)T . If it performs 300 rpm. The peak value of induced emf is

A circular coil of radius 8.0 cm and 20 turns rotates about its vertical diameter with an angular speed of 50 s^(-1) in a uniform horizontal magnetic field of magnitude 3 xx 10^(-2) T . Obtain the maximum and average e.m.f. induced in the coil . If the coil forms a closed loop of resistance 10 Omega , calculate the maximum value of current in the coil. Calculate the average power loss due to Joule heating. Where does this power come from ?

An a.c. generator consists of a coil of 1000 turns and area 2m^(2) . The coil is rotating in a transverse uniform magnetic field of 0.2 T at an angular speed of 60 rad//s . What is the maximum current drawn from the generator if resistance of the circuit including that of the coil is 6000 Omega ?