Home
Class 12
PHYSICS
Two coaxial solenoids of different radiu...

Two coaxial solenoids of different radius carry current I in the same direction. `vec(F_1)` be the magnetic force on the inner solenoid due to the outer one and `vec(F_2)` be the magnetic force on the outer solenide due to the inner one. Then

A

`vecF_(1)` is radially inwards and `vecF_(2)` is radially outwards

B

`vecF_(1)` is radially inwards and `vecF_(2) = 0`

C

`vecF_(1)` I radially outwards and `vecF_(2) = 0`

D

`vecF_(1) = vecF_(2) = 0`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • JEE MAINS

    JEE MAINS PREVIOUS YEAR ENGLISH|Exercise Chemistry|1 Videos
  • JEE MAIN

    JEE MAINS PREVIOUS YEAR ENGLISH|Exercise All Questions|452 Videos
  • JEE MAINS 2020

    JEE MAINS PREVIOUS YEAR ENGLISH|Exercise PHYSICS|250 Videos

Similar Questions

Explore conceptually related problems

The correct curve between the magnetic induction (B) along the axis of a along solenoid due to current flow i in it and distance x from one end is -

A tightly- wound solenoid of radius a and length l has n turns per unit length. It carries an electric current i. Consider a length dx of the solenoid at a distance x from one end. This contains n dx turns and may be approximated as a circular current I n dx. (a) Write the magnetic field at the center of the solenoid due to this circular current. Integrate this expression under proper limits to find the magnetic field at the center of the solenoid. (b) Verify that if lgtgta , the field tends to (B=(mu_0ni) and if agtgt1 , the field tends to B= ((mu_0)nil/2a) . Interpret these results.

A square current carrying loop is suspended in a unifrom magnetic field acting in the plane of the loop. If the force on one arm of the loop is vec(F) , the net force on the remaining three arms of the loop is

A current carrying circular loop is placed in an infinite plane if phi i is the magnetic flux through the inner region and phi o is magnitude of magnetic flux through the outer region, then

A current carrying circular loop is placed in an infinite plane if phi i is the magnetic flux through the inner region and phi o is magnitude of magnetic flux through the outer region, then

A copper wire of diameter 1.6 mm carries a current of 20A. Find the maximum magnitude of the magnetic field (vec B)due to this current.

Two long conductors, separated by a distance d carry current I_(1) and I_(2) in the same direction . They exert a force F on each other. Now the current in one of them is increased to two times and its direction is reversed . The distance is also increased to 3d . The new value of the force between them is

Two long conductors, separated by a distance d carry current I_(1) and I_(2) in the same direction . They exert a force F on each other. Now the current in one of them is increased to two times and its direction is reversed . The distance is also increased to 3d . The new value of the force between them is

A coaxial cable consists of a thin inner conductor fixed along the axis of a hollow outer conductor. The two conductor carry equal currents in opposite directions. Let B_1 and B_2 be the magnetic fields in the region between the conductors and outside the conductor, respectively. Then,

Two toroidal solenoids are wound around the same pipe so that the magnetic field of one passes through the turns of the other. Solenoid 1 has 700 turns and solenoid 2 has 400 turns. When the current in solenoid 1 is 6.52 A , the average flux through each turn of solenoid 2 is 0.0320 Wb . (a) What is the mutual inductance of the pair of solenoids? (b) When the current in solenoid 2 is 2.54 A , what is the average flux through each solenoid 1?