A very long uniformly thread oriented along the axis of a a circle of raius `R` rests on its centre with one of the ends. The charge of the thread per unit length is equla to `lambda`. Find the flux of the vector `E` across the circle area.

A very long uniformly charge thred oriented along the axis of a circle of radius R=1m rests on its centre with one of the ends. The charge per unit length on the thread is lambda=16epsi_(0) . Find the flux of the vector E through the circle area in (Vm).

A very long uniformly charge thred oriented along the axis of a circle of radius R=1m rests on its centre with one of the ends. The charge per unit length on the thread is lambda=16epsi_(0) . Find the flux of the vector E through the circle area in (Vm).

A very long uniformly charged wire oriented along the axis of a circular ring of radius R rests on its centre with one of the ends (as shown in figure). The linear charge density on the wire is lambda . Evalute the flux of the vector vecE across the circle area.

A very long uniformly charged wire oriented along the axis of a circular ring of radius R rests on its centre with one of the ends (as shown in figure). The linear charge density on the wire is lambda . Evalute the flux of the vector vecE across the circle area.

A system consits fo a thin charged wire ring of radius R and a very long uniformly charged thread oriented along the axis of the ring, with one of its ends coinciding with the centre of the ring. The total charge of the ring, with one of the ring so equal to q . The charge of the thread (per unit length) is equal to lambda . Find the interaction froce between the ring and the thread.

A system consits fo a thin charged wire ring of radius R and a very long uniformly charged thread oriented along the axis of the ring, with one of its ends coinciding with the centre of the ring. The total charge of the ring, with one of the ring so equal to q . The charge of the thread (per unit length) is equal to lambda . Find the interaction froce between the ring and the thread.

A very long straight solenoid carries a current i . The cross-sectional area of the solenoid is equal to S , the number of turns per unit length is equal to n . Find the flux of the vector B through the end plane of the solenoid.

A system consists of a thin ring of radius R and a very long uniform wire oriented along axis of the ring with one of its ends coinciding with the centre of the ring. If mass of ring be M and mass of wire be lambda per unit length, calculate interaction force between the ring and the wire.