The spokes of a wheel are made of metal and their lengths are of one metre. On rotating the wheel about its own axis in a uniform magnetic field of `5xx10^(-5)` tesla normal to the plane of the wheel, a potential difference of `3.14 mV` is generated between the rim and the axis. The rotational velocity of the wheel is-

When a wheel with metal spokes 1.2 m long rotates in a magnetic field of flux density 5 xx 10^(-5) T normal to the plane of the wheel, an e.m.f. of 10^(-2) V is induced between the rim and the axle. Find the rate of rotation of the wheel.

When a wheel with metal spokes 1.2 m long rotates in a magnetic field of flux density 5 xx 10^(-5) T normal to the plane of the wheel, an e.m.f. of 10^(-2) V is induced between the rim and the axle. Find the rate of rotation of the wheel.

When a wheel with metal spokes 1.2m long is rotated in a magnetic field of flux density 5 xx 10^(-5)T normal to the plane of the wheel, an e.m.f. of 10^(-2) volt is induced between the rim and the axle. Find the rate of rotation of the wheel.

A wheel with radial metal spokes 1 m in length is rotated in a magnetic field of 0.5 xx 10^(-4)T normal to the plane of the wheel. If the induced emf between the rim and axle is pi//3000V , then the rotational speed of the wheel in revolutions per minute is

A wheel having metal spokes of 1m long between its axle and rim is rotating in a magnetic field of flux density 5 xx 10^(-5)T normal to the plane of the wheel. An e.m.f of 22/7 mV is produced between the rim and the axle of the wheel. The rate of rotation of the wheel in revolutions per seconds is

A constant resultant torque rotates a wheel about its own axis. Then true statement of the following is

A wheel having n conducting concentric spokes is rotating about it geometrical axis with an angular velocity omega , in a uniform magnetic field B perpendicular to its plane prove that the induced emf generated between the rim of the wheel and the center is (omegaBR^2)/2 , where R is the radius of the wheel. It is given that the rim of the wheel is conducting.