A long straight wire carries a current of 35 A. What is the magnitude of the field (B) at a point 20 cm from the wire?

A very long straight wire carries a current 5.2A. What is the magnitude of the magnetic field at a distance 3.1 cm from the wire?

A very long straight wire carries a current of 5A. The magnetic induction at 0.1m from the wire is 1 xx 10^-5 wb//m^2 . What will be the magnetic induction at 0.5m from the wire of the current through the wire is increased to 20A?

A long straight wire carries a current of 50 A. An electron moving at 10^(7) m/s is 5 cm away from the wire. The force acting on electron if its velocity is directed towards the wire will be

A semicircular arc of radius 20 cm carries a current of 10 A calculates the magnitude of magnetic field at the centre of the arc.

What is the magnetic field at a point 80 mm from a wire carrying current of 6A?

An electric current passes through a straight wire. At a distance 5 cm from the wire the magnetic field is B. The field at 20 cm from the wire would be

A long straight wire carries a current of pi amp . The magnetic field due to it will be 5xx10^(-5)"weber"//m^(2) at what distance from the wire [ mu_(0)= permeability of air]

A long straight wire carries a current of 50A. An electron moving at 107 m/s is 5 cm away from the wire. The force acting on electron if its velocity is directed towards the wire with be