Two long straight wires carry currents `5A` and `10A` in the same direction are separated by 20cm. The force between wires is

Two long and parallel straight wires A and B carrying currents of 8*0A and 5*0A in the same direction are separated by a distance of 4*0cm . Estimate the force on a 10cm section of wire A.

Two long and parallel straight wires A and B are carrying currents of 4A and 7A in the same directions are separated by a distance of 5cm. The force acting on a 8cm section of wire A is

Two long straight wires, each carrying a current I in opposite directions are separated by a distance R . The magnetic induction at a point mid way between the wire is

The two long, straight wires carrying electric currents in opposite directions. The separation between the wires is 5.0 cm. Find the magnetic field at a point P midway between the wires.

Two parallel wires carry equal currents of 10A along the same direction and are separated by a distance of 2.0 cm. Find the magnetic field at a point which is 2.0 cm away from each of these wires.

Two long parallel copper wires carry current of 5A each in opposite directions. If the wires are separated by a distance distance of 0.5m, then the force per unit length between the two wires is

Three coplanar parallel wires, each carrying a current of 10 A along the same direction, are placed with a separation 5.0 cm between the consecutive ones. Find the magnitude of the magnetic force per unit length acting on the wires.

Calculate the force per unit length on a long straight wire carrying current 4A due to parallel wire carrying current 6A current. Distance between the wires =3cm .

Two long parallel wires are 30 cm apart carrying currents 10 A and 15 A respectively in the same direction. The force acting over a length of 5 m of the wires is

Two long straight wires are set parallel to each other Each carries a current i in the same direction and the separation between them is 2r. The intensity of the magnetic field midway between them is