A straight horizontal conducting rod of length 0.45 m and mass 60 g is suspended by two vertical wires at its ends. A current of 5.0 A is set up in the rod through the wires.
What magnetic field should be set up normal to the conductor in order that the tension in the wires is zero?

A straight horizontal conducting rod of length 0.45 m and mass 60 g is suspended by two vertical wires at its ends. A current of 5.0 A is set up in the rod through the wires. What will be the total tension in the wires if the direction of current is reversed keeping the magnetic field same as before ? (Ignore the mass of the wires) g = 9.8 ms^-2

A solenoid has length 0.4m , radius 1 cm and 400 turns of wire. If a current fo 5 A is passed through this solenoid, then what is the magnetic field inside the solenoid?

A loop of flexible conducting wire lies in a magnetic field of 2.0 T with its plane perpendicular to the field. The length of the wire is 1 m. When a current of 1.1A is passed through the loop, it opens into a circle, then the tension developed in the wire is

A straight wire of length 0.5 m carrying a current of 1.6 ampere is placed in a uniform magnetic field of induction 2 T. If the magnetic field is perendicular to the length of the wire, then force on the wire is

A straight wire of length 0.5 metre and carrying a current of 1.2 ampere is placed in a uniform magnetic field of induction 2 tesla. If the magnetic field is perpendicular to the length of the wire , the force acting on the wire is

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 horizontal conducting wire of length 0.1 m carries a current of 4A. If mass of the wire is 7.5 xx 10^(-5) kg and g=10 m//s^(2) , the uniform magnetic induction required to support the weight of the wire is

A uniform magnetic field of 1.5 T exists in a cylindrical region of radius 10.0 cm, its direction parallel to the axis along east to west. A wire carrying current of 7.0 A in the north to south direction passes through this region. What is the magnitude and direction of the force on the wire. If, the wire intersects the axis .

A uniform magnetic field of 1.5 T exists in a cylindrical region of radius 10.0 cm, its direction parallel to the axis along east to west. A wire carrying current of 7.0 A in the north to south direction passes through this region. What is the magnitude and direction of the force on the wire. If, the wire in the N - S direction is lowered from the axis by a distance of 6.0 cm ?