Two concentric coplanar circular loops made of wire with resistance per unit length `10^(-4)Omega//m`, have diameters 0.2 m and 2m. A time varying potential difference (4+2.5t) volt is applied to the larger loop. Calculate the current in the smaller loop.

Two concentric coplanar circular loops made of wire, with resistance per unit length lambda , have radii r_(I) and r_(2)(r_(2) gt gtr_(I)) . A potential difference (alpha+betat) is applied to the larger loop, where t is time. Calculate current in the smaller loop.

A very small circular loop of area 5xxI0^(-4)m^(2) , resistance 2Omega and negligible inductance is initially coplanar and concentric with a much larger fixed circular loop of radius 0.1m . A constant current of 1A is passed in the bigger loop and the smaller loop is rotated with angular velocity omegarad//sec about a diameter. Calculate induced current in the smaller loop, as a function of time.

A very small circular loop of area 5xx10^(-4)m^2 , resistance 2Omega and negligible inductance is initally coplanar and concentric with a much larger fixed circular loop of radius 0.1 m. A constant current of 1A s passed in the bigger loop and the smaller loop is rotated with angular velocity omega rad/s about a diameter.Calculate induced current in the smaller loop, as a function of time

A very small circular loop of area 5xx10^(-4)m^(2) , resistance 2Omega and negligible inductance is initially coplanar and concentric with a much larger fixed circular loop of radius 0.1m . A constant current of 1A is passed in the bigger loop and the smaller loop is rotated with angular velocity omega rad//sec about a diameter. Calculate (a) the flux linked with the smaller loop, (b) induced emf (c) induced current in the smaller loop, as a function of time.

A very small circular loop of area 5xxI0^(-4)m^(2) , resistance 2Omega and negligible inductance is initially coplanar and concentric with a much larger fixed circular loop of radius 0.Im . A constant current of IA is passed in the bigger loop and the smaller loop is rotated with angular velocity omegarad//sec about a diameter. Calculate (a) the flux limked with the smaller loop, (b) indced emf (c) induced current in the smaller loop, as a function of time.

A very small circular loop of area 5xx10^(-4)m^2 , resistance 2Omega and negligible inductance is initally coplanar and concentric with a much larger fixed circular loop of radius 0.1 m. A constant current of 1A s passed in the bigger loop and the smaller loop is rotated with angular velocity omega rad/s about a diameter.Calculate the flux linked with the smaller loop.

A very small circular loop of area 5xxI0^(-4)m^(2) , resistance 2Omega and negligible inductance is initially coplanar and concentric with a much larger fixed circular loop of radius 0.1m . A constant current of 1A is passed in the bigger loop and the smaller loop is rotated with angular velocity omegarad//sec about a diameter. Calculate the flux limked with the smaller loop.

A potentiometer consists of a wire of length 4m. And resistance 10 Omega is connected to cell of emf 2V The potential difference per unit length of wire will be