A wire of mass 100 g, length 1 m and current 5 A is balanced in mid air by a magnetic field B, then find the value of B.

A wire of length 15 cm carrying current of 5 Ais balanced in air by a uniform magnetic field, B. The mass of wire is 0.5 grams. Calculate the value of B. Use g = 10 ms^(-2) .

A straight wire of mass 400 g and length 2m carries a current of 2A. It is suspended in mid air by a uniform horizontal field B. What is the magnitude of the magnetic field ?

A straight wire of mass 400 g and length 2m carries a current of 2A. It is suspended in mid air by a uniform horizontal field B. What is the magnitude of the magnetic field ?

A straight wire of mass 400 g and length 2m carries a current of 2A. It is suspended in mid air by a uniform horizontal field B. What is the magnitude of the magnetic field ?

A straight wire of mass 200 g and length 1.5 m carries a current of 2 A. It is suspended in mid air by a uniform horizontal magnetic field B (figure). What is the magnitude of the magnetic field ?

A straight wire of mass 200 g and length 1.5 m carries a current of 2 A. it is suspended in mid air by a uniform horizontal magnetic field B. The magnitude of B (in tesla) is

A straight wire of length 50 cm carrying a current of 2.5 A is suspended in mid-air by a uniform magnetic field of 0.5 T (as shown in figure). The mass of the wire is (g = 10 ms^(-2) )

A straight wire of mass 200 g and length 1.5 m carries a current of 2 A. It is suspended in mid - air by a uniform horizontal magnetic field B. The magnitude of B (in tesla) is (assume g=9.9 ms^(-2) )

A straight wire of length 50 cm carrying a current of 2.5 A is suspended in mid-air by a uniform magnetic field of 0.5 T (as shown in figure). The massof the wire is ( g = 10 ms^(-2) )

A wire of length 100 m is tightly wounded on a hollow tube of radius 5mm and length 1 m. A current of 1 A is flowing in the wire. Then magnetic field strength inside the tube will be :-