Current of equal magnitude flows through two long parallel wires having separation of 1.35 cm. If the force per unit length on each of the wires is `4.76 xx 10^-2 N//m`,What must be the value of current?

State the expression for force acting per unit length of each of the straight wire conducting current. Hence define SI unit of electric current.

A wire of length 0.5 m is stretched by a weight of 2 kg. If the mass per unit length of the wire is 1.96 xx 10^-3 kg//m , find the fundamental frequency of the wire and the frequency of its first overtone

Derive an expression for the force acting per unit length of the wire in case of two long parallel wires carrying currents.

Two thin long paralel wires separated by a distance b are carrying a current 1 A each. The magnitude of the force per unit length exerted by one wire on the other is

Two long parallel wires are at a distance of 4 cm. They carry currents I and 3I in same direction. Where will the field produced by both wires be zero from current I?

Equal currents are passing through two very long and straight parallel wires in the same direction. They will _________

Two long parallel wires carrying equal current separated by 1m , exert a force of 2xx10^(-7)N//m on one another. The current flowing through them is

Two long straight wires, each carrying current of 5.0 A, are kept parallel to each other at a separation of 2.5 cm. The magnitude by 5.0 cm of a wire is

A film of water is formed between two straight parallel wires of length 10 cm with separation of 0.5 cm . The work done to increase the separation by 0.1 cm is (S.T=0.070 N/m)