A copper wire having resistance 0.01 ohm in each metre is used to wind a 400 turn solenoid of radius 1.0 cm and length 20 cm. Find the emf of a battery which when connected across the solenoid will cause a magnetic field of `(1.0 xx 10^-2)` T near the centre of the solenoid.

A copper wire having a resistance of 0*02Omega per metre is used to wind a 500 turns solenoid of radius 2*0cm and length 30cm . What should be the emf of the battery which when connected across the solenoid would produce a magnetic field at 10^-2T , near the centre of the solenoid.

A copper wire having a resistance of 0*015Omega per metre is used to wind a 500 turns solenoid of radius 1*0cm and length 22cm . If the e.m.f. of the battery used is 6V , then find the magnetic field near the centre of the solenoid.

A copper wire of resistance 0.02 Omega//m is used to construct a 1 m long solenoid of 500 turns and radius 1 cm. A battery of emf 1 V is connected across the solenoid. Find the magnetic field near the centre of the solenoid.

A closely wound solenoid 80cm long has 5 layers of windings of 400 turns each .The diameter of the solenoid is 1.8cm .If the current carried is 8A ,the magnetic field near the centre of the solenoid is ...

A current of 1.0 A is established in a tightly wound solenoid radius 2 cm having 1000 turns/metre. Find the magnetic energy stored in each metre of the solenoid.

A 0.5m long solenoid has 500 turns and has strength of magnetic field of 2.52xx10^-3T at its center. Find the current in the solenoid.

An air-solenoid has 500 turns of wire in its 40 cm length. If the current in the wire be 1.0 ampere then the magnetic field on the axis inside the solenoid is -

A winding wire which is used to prepare a solenoid of length 80 cm can bear a maximum cuurent of 10 A. the cross-sectional radius of the solenoid is 3 cm. what should be the length of the winding wire if a magnetiic field of 0.2 T is to be produced at the centre of the solenoid along its axis?