Home
Class 12
PHYSICS
A bar magnet is passing through a conduc...

A bar magnet is passing through a conducting loop of radius R with velocity v. The radius of the bar magnet is such that it just passes through the loop. The induced e.m.f. in the loop can be represented by the approximate curve :

A

B

C

D

Text Solution

Verified by Experts

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • JEE MAINS 2021

    JEE MAINS PREVIOUS YEAR|Exercise Physics (Section B)|40 Videos

  • JEE MAINS 2021

    JEE MAINS PREVIOUS YEAR|Exercise Physics (Section A )|20 Videos

  • JEE MAINS 2021

    JEE MAINS PREVIOUS YEAR|Exercise Physics Section B|20 Videos

  • JEE MAINS 2020

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS|246 Videos

  • JEE MAINS 2022

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS (SECTION -B)|10 Videos

Similar Questions

Explore conceptually related problems

Current in a long current carrying wire is I=2t A conducting loop is placed to the right of this wire. Find a. magnetic flux phi_B passing through the loop. b. induced emf|e| prodced in the loop. c. if total resistance of the loop is R , then find induced current I_("in") in the loop.

A conducting loop is being pulled with speed v from region I of magnetic field to region II. If resistance of the loop is R, current induced in the loop at the instant shown is

Knowledge Check

  • A semicircle loop PQ of radius 'R' is moved with velocity 'v' in transverse magnetic field as shown in figure . The value of induced emf . Between the ends of loop is :-

    A
    Bv `(pi r)`, 'P' at high potential
    B
    2 BRv, end P at high potential
    C
    2 BRv, end Q at high potential
    D
    `B(pi R^(2))/(2)v`, end P at high potential

  • A bar magnet is moved between two parallel circular loop A and B with a constant velocity v as shown in figure.

    A
    The current in each loop flows in the same direction
    B
    The current in each loop flows in opposite direction
    C
    The loops will repel each other
    D
    The loops will attract each other

  • A current of 10A is passing through a long wire which has semicircular loop of the radius 20cm as shown in the figure. Magnetic field produced at the centre of the loop is

    A
    `10pi mu T`
    B
    `5 pi mu T`
    C
    `4 pi mu T`
    D
    `2 pi mu T`

    • Similar Questions

    Explore conceptually related problems

    A circular conducting loop of radius R carries a current I . Another straight infinite conductor carrying current I passes through the diameter of this loop as shown in the figure. The magnitude of force exerted by the straight conductor on the loop is

    A metallic loop is placed in a magnetic field. If a current is passed through it, then :

    A metallic loop is placed in a magnetic field. If a current is passed through it, then :

    A metallic loop is placed in a magnetic field. If a current is passed through it, then

    A metallic loop is placed in a magnetic field. If a current is passed through it, then

    Home
    Profile