Home
Class 12
PHYSICS
A closely wound solenoid 80cm long has l...

A closely wound solenoid `80cm` long has layers of windings of `400 turns` each. The diameter of the solenoid is `1*8cm`. If the current carried is `8*0A` estimate the magnitude of `vecB` inside the solenoid near its centre.

Text Solution

Verified by Experts

`8pi xx 10^(-3) T ~~ 2.5 xx 10^(-2) T`
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    NCERT TAMIL|Exercise ADDITIONAL EXERCISES|17 Videos

  • MOVING CHARGES AND MAGNETISM

    NCERT TAMIL|Exercise ADDITIONAL EXERCISES|17 Videos

  • MAGNETISM AND MATTER

    NCERT TAMIL|Exercise Additional Exercises|19 Videos

  • NUCLEI

    NCERT TAMIL|Exercise ADDITIONAL EXERCISES|9 Videos

Similar Questions

Explore conceptually related problems

A closely wound solenoid 80 cm long has 5 layers of windings of 400 turns each. The diameter of the solenoid is 1.8 cm .If the current carried is 8.0 A, estimate the magnitude of B inside the solenoid near its centre.

A 50 cm long solenoid has 400 turns per cm. The diameter of the solenoid is 0.04 m. Find the magnetic flux of a turns when it carries a current of 1 A.

A solenoid of length 0.5 m has a radius of 1 cm and is made up of 500 turns. It carries a current of 5 A. What is the magnitude of magnetic field inside the solenoid ?

A cirular coil of wire cansiting of 100 turns ,each of readius 8.0 cm carries a current of 0.40 A. What is the magnitude of the magnetic field barB at the centre of the coil ?

A tightly- wound, long solenoid is kept with its axis parallel to a large metal sheet carrying a surface current. The surface current through a width dl of the sheet is Kdl and the number of turns per unit length of the solenoid is n. The magnetic field near the centre of the solenoid is found to be zero. (a) find the current in the solenoid. (b) If the solenoid is rotated to make its axis perpendicular to the metal sheet, what would be the magnitude of the magnetic field near its centre?

A long solenoid of diameter 0.1 m has 2 xx 10^4 turns per meter. At the centre of the solenoid, a coil of 100 turns and radius 0.01 m is placed with its axis coinciding with the solenoid axis.The current in the solenoid reduces at a constant rate to 0A from 4 A in 0.05 s. If the resistance of the coil is 10 pi^2Omega , the total charge flowing through the coil during this time is

A long solenoid is formed by winding 20 turns cm^-1 . What current is necessary to produce a magnetic field of 20 mT inside the solenoid?

A long solenoid with 20 turns per has a small loop of area 2Cm2 placed inside the solenoid normal to its axis. If the circuit carried by the solenorid changes steaditly from 1Ato 3A in 0.2s. What is the induced emf in the loop while the current ins charging.