Home
Class 12
PHYSICS
Two identical solid metal (A &B) plates ...

Two identical solid metal (A &B) plates are oscillating between external magnetic field `vecB` as shown in figure plate 'B' has slots cutting in it. Which one will stop earlier

A

Plate A

B

Plate B

C

Plate A & B both stop at same time

D

Data is insuffcient

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise EVALUATE YOURSELF -5|8 Videos
  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise EVALUATE YOURSELF -6|3 Videos
  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise EVALUATE YOURSELF -3|12 Videos
  • ELECTRO MAGNETIC WAVES

    NARAYNA|Exercise LEVEL-II(H.W)|14 Videos
  • ELECTROMAGNETIC WAVES

    NARAYNA|Exercise EXERCISE -4|15 Videos

Similar Questions

Explore conceptually related problems

Cutting slots in a copper plate, oscillating between the poles of a magnet, reduces the effect of _____.

Five identical metal plates each of area A are placed at equal separation d as shown in figure and are connected with conducting wires. The equivalent capacitance across points A and B is

Knowledge Check

  • A triangular plate has two cavities , one square and one rectangular as shown in figure . The plate is heated.

    A
    a increase , b decrease
    B
    a and b both increase
    C
    a and b increase , x and l decrease
    D
    a , b , x and l all increase
  • If metal section of shape H is inserted in between two parallel plates as shown in figure and A is the area of each plate then the equivalent capacitance is. .

    A
    `(A in_(0))/(a)-(A in_(0))/(b)`
    B
    `(A in_(0))/(a+b)`
    C
    `(A in_(0))/(a)+(A in_(0))/(b)`
    D
    `(A in_(0))/(a-b)`
  • The separation between two plates of a parallel plate condenser is filled with two dielectric media as shown in figure . The ratio of its capacities , with and without dielectric , is

    A
    `K_(1)(K_(1)+K_(2))`
    B
    `2K_(1)K_(2)//(K_(1)+K_(2))`
    C
    `(K_(1)+K_(2))//2`
    D
    `K_(2)(K_(1)+K_(2))`
  • Similar Questions

    Explore conceptually related problems

    Two identical metal plates are welded end to end as shown in - (i) . 20 cal of heat flows through it in 4 minutes. If the plates are welded as shown in figure-(ii) , find the time (in minutes) taken by the same amount of heat to flow through the plates.

    A metallic plate is made to oscillate in the magnetic field. What will be the effect on eddy currents and damping if slots are made in the plate and then made to oscillate?

    The two identical parallel plates are given charge as shown in figure. If the plate area of either face of each plate is A and seperation between plates is d , then find the amount of heat liberate after closing the switch.

    Four identical metal plates are located in air at equal distances d from one another. The area of each plate is equal to S . Find teh capacitance of the system between points a and B if the plates are interconnected as shown (a) Fig A , (b) FIg B

    A uniform magnetic field (B) is applied between the plates of a capacitor in the outward direction as shown in the figure. Surface charge density on the capacitor plates is sigma . An electron is fired in between the plates, parallel to them, as shown in the figure. The electron is found to move straight in-between the plates of capacitor. Neglect the gravity. If L is the length of the plates then caleulate the time taken by the electron to cross the plates.