A coil of cross sectional area 100 `cm^(2)` is placed in the magnetic field, which changes to `4xx10^(-2)Wb//cm^(2)` within 5s. What will be the current across `5Omega` resistance?

A coil having an area of 2m^(2) is placed in a magnetic field which changes from 2 Wb//m^(2) to 5Wb//m^(2) in 3 seconds. The e.m.f. Induced in the coil is

A coil having an area of 3m^(2) is placed in a magnetic field which changes from a 9 Wb//m^(2) to 5Wb//m^(2) in three seconds. The e.m.f. Induced in the coil is

A coil having an area 2m^2 is placed in a magnetic field which changes from 1wb//m^2 to 4wb//m^2 in an interval of 2 second. The e.m.f. induced in the coil will be

A coil of circular cross - section having 1000 turns and 4cm^(2) face area is placed with its axis parallel to a magnetic field which decreases by 10^(-2)"Wb m"^(-2) in 0.01 s. the e.m.f induced in the coil is :

A coil of circular cross - section having 1000 turns and 4cm^(2) face area is placed with its axis parallel to a magnetic field which decreases by 10^(-2)"Wb m"^(-2) in 0.01 s. the e.m.f induced in the coil is :

A rectangular coil of area 50cm^(2) and 100 turns is placed perpendicular to a magnetic field of 10^(-2)Wb//m^(2) . If the coil is withdrawn from the field in 40 ms, calculate the emf induced.

A coil of cross-sectional area 5xx10^(-4)m^(2) and having number of turns 1000 is placed prependicular to a magnetic field of 10^(-2) T. The coil is connected to a galvanometer of resistance 500 Omega . The induced charge generated in the coil on rotating it through an angle of pi radian will be