A metallic disc of radius 10 cm is rotating uniformly about a horizontal axis passing through its centre with angular velocity 10 revolution per second. A uniform magnetic field of intensity `10^(-2)T` acts along the axis of the disc. Find the potential difference induced between the centre and the rim of the disc.

A metallic disc of radius 10 cm is roatating uniforminty about a horizontal axis passing through its centre with angular velocity 10 revolution per second. A uniform magnetic field of intensity 10^-2 Tesla acts along the axis of the disc. Find the potential difference induced between the centre and the rim, of the disc.

A verticle copper disc of diameter 20 cm is rotating uniformly about a horizontal axis passing through its centre with angular speed 600 r.p.m. A uniform magnetic field of strength 10^-2T acts perpendicular to the plane of the disc. Calculate the potential difference between its centre and a point on the rim of the disc.

A copper disc of diameter 20 cm is rotating uniformly about its horizontal axis passing through the centre with angular frequency 600 rpm. A uniform magnetic field of strength 10^(-2)T acts perpendicular to the plane of the disc. Calculate the induced emf between its centre and a point on the rim of the disc.

A vertical disc of diameter 10 cm makes 20 revolutions per second about a horizontal axis passing through its centre. A uniform magnetic field 10^(-1) T acts perpendicular to the plane of the disc. Calculate the potential difference between its centre and rim in volts.

A vertical disc of diameter 10 cm makes 20 revolutions per second about a horizontal axis passing through its centre. A uniform magnetic field 10^(-1) T acts perpendicular to the plane of the disc. Calculate the potential difference between its centre and rim in volts.

A circular copper disc of radius 25 cm is rotating about its own axis with a constant angular velocity of 130 rad//s . If a magnetic field of 5xx10^(-3) Tesla is applied at right angles to the disc, then the induced potential difference between the centre and the rim of the disc will approximately be __

A copper disc of radius 0.1 m rotates about its centre with 10 revolutuion per second in a uniform magnetic field of 0.1 tesla. The emf induced across the radius of the disc is

A vertical copper disc of diameter 20cm makes 10 revolution per second about a horizontal axis passing through its centre. A uniforjm magnetic field 10^(-2)T acts perpendicular to the plane of the disc. Calculate the potential defference between its centre and rim in volts.

A copper disc of radius 0.1 m rotates about its centre with 10 revolution per second in 'a uniform magnetic field of 0.1 T. The emf induced across the radius of the disc is -

A conducting disc of radius r rotaes with a small but constant angular velocity omega about its axis. A uniform magnetic field B exists parallel to the axis of rotation. Find the motional emf between the centre and the periphery of the disc.