Home
Class 12
PHYSICS
Consider the situation shown in . The wi...

Consider the situation shown in . The wire AB is slid on the fixed rails rails with a constant velocity. If the wire AB is replaced by a semicircular wire, the magnitude of the induced current will

A

increase

B

remain the same

C

decrease

D

increase or decrease depending on whether the semi-circle bulges towards the resistance or away form it.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    HC VERMA ENGLISH|Exercise Objective 2|10 Videos
  • ELECTROMAGNETIC INDUCTION

    HC VERMA ENGLISH|Exercise EXERCISE|98 Videos
  • ELECTROMAGNETIC INDUCTION

    HC VERMA ENGLISH|Exercise Worked out examples|29 Videos
  • ELECTRIC FIELD AND POTENTIAL

    HC VERMA ENGLISH|Exercise Objective 2|7 Videos
  • ELECTROMAGNETIC WAVES

    HC VERMA ENGLISH|Exercise Exercise|8 Videos

Similar Questions

Explore conceptually related problems

Consider the situation shown in figure. The straight wire is fixed but the loop can move under magnetic force. The loop will

Consider the situation shown in . The wire PQ has a negligible resistance and is made to slide on the three rails with a constant speed of 5 cm s^(-1) . Find the current in the 10 Omega resistor when the switch S is thrown to (a) the middle rail (b) the bottom rail.

Consider the situation shown in . The wire PQ has a negligible resistance and is made to slide on the three rails with a constant speed of 5 cm s^(-1) . Find the current in the 10 Omega resistor when the switch S is thrown to (a) the middle rail (b) the bottom rail.

Consider circuit as shown in figure. The current through wire AB is

A wire is sliding as shown in Figure. The angle between the acceleration and the velocity of the wire is

Consider the situation shown in figure. If the current I in the long straight wire xy is increased at a steady rate the induced current in loop A and B will be

Consider the situation shown in the figure, If the current I in the long straight conducting wire XY is increased at a steady rate then the induced e.m.f..s in loops A and B wil be

The current generator I _g , shown in . Sends a constant current I throught the curcuti. The wire cd is fixed and ab is made ot slide on the smooth, thick rails with a constant velocity v towards right. Each of these wire has resistance r. Find the current through the wire cd.

Consider the situation shown in . The wire PQ has mass m, resistance r and can slide on the smooth, horizontal parallel rails separted by a distance l. The resistance of the rails is negligible. A uniform magnetic field B exists in the rectangualr region and a resistance R connects the rails outsided the field region At t= 0, the wire PQ is puched towards right with a speed v_0 . find (a) the current in the loop at an instant when the speed of the wire PQ is v, (b) the acceleration of the wire at this instatn, (c ) the velocity v as a function of x and (d) the maximum distance the wire will move.

Consider the situation shown in . The wire PQ has mass m, resistance r and can slide on the smooth, horizontal parallel rails separted by a distance l. The resistance of the rails is negligible. A uniform magnetic field B exists in the rectangualr region and a resistance R connects the rails outsided the field region At t= 0, the wire PQ is puched towards right with a speed v_0 . find (a) the current in the loop at an instant when the speed of the wire PQ is v, (b) the acceleration of the wire at this instatn, (c ) the velocity v as a function of x and (d) the maximum distance the wire will move.