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

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 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 10 cm radius rotates at 20 pi radian//sec about an axis through its centre and perdendicular to the disc. A uniform magnetic field of 0.2 T acts perpendicular to the disc. Calculate the potential difference developed between axis of the disc and the rim. What is the induced current if resistance of disc is 2 ohm ?

a copper disc of diameter 20 cm makes 1200 r.p.m. about its natural axis kept parallel to a uniform magnetic field of 10^(-2)T . The potential difference between the centre and edge of the disc is

A metal disc of radius R rotates with an angular velcoity omega about an axis perpendicular to its plane passing through its centre in a magnetic field B acting perpendicular to the plane of the disc. Calculate the induced emf between the rim and the axis of the disc.

A circular cpper disc of 10 cm in diameter rotates at 1800 revolution per minute about an axis through its centre and at right angles to disc. A uniform field of induction B of 1Wb^(-2)m is perpendicular to disc. What potential difference is developed between the axis of the disc and the rim?

A copper disc of radius 20cm makes 1200 revolution per minute about its axis which is parallel to a uniform magnetic field fo 0.01 tesla . Find the potential difference between the centre and the edge of the disc.

Calculate the moment of inertia of a disc of radius R and mass M, about an axis passing through its centre and perpendicular to the plane.

The moment of inertia of a copper disc, rotating about an axis passing through its centre and perpendicular to its plane