मराठी

Predict the Direction of Induced Current in a Metal Ring When the Ring is Moved Towards a Straight Conductor with Constant Speed V. the Conductor is Carrying Current I in the Direction Shown

Advertisements
Advertisements

प्रश्न

Predict the direction of induced current in a metal ring when the ring is moved towards a straight conductor with constant speed v. The conductor is carrying current I in the direction shown in the figure.

Advertisements

उत्तर

Using Lenz’s law we can predict the direction of induced current in the ring. Induce current oppose the cause of increase of magnetic flux in moving towards the conductor. The direction of the induce current in the ring will be clockwise.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2011-2012 (March) Delhi set 2

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Predict the directions of induced currents in metal rings 1 and 2 lying in the same plane where current I in the wire is increasing steadily.


The battery discussed in the previous question is suddenly disconnected. Is a current induced in the other loop? If yes, when does it start and when does it end? Do the loops attract each other or repel?


Lenz’s law is a consequence of the law of conservation of ______.


The polarity of induced emf is given by ______.

Which of the following statements is not correct?


Young's modulus for aluminium is 7 × 1010 Pa. The force needed to stretch an aluminium wire of diameter 2 mm and length 800 mm by 1 mm is ______.


For a coil having L = 2 mH, current flows at the rate of 10-3 AIS. The e.m.f induced is


Lenz's law gives ______


Consider a metal ring kept (supported by a cardboard) on top of a fixed solenoid carrying a current I (Figure). The centre of the ring coincides with the axis of the solenoid. If the current in the solenoid is switched off, what will happen to the ring?


A conducting wire XY of mass m and neglibile resistance slides smoothly on two parallel conducting wires as shown in figure. The closed circuit has a resistance R due to AC. AB and CD are perfect conductors. There is a ˆ. magnetic field `B = B(t)hatk`.

  1. Write down equation for the acceleration of the wire XY.
  2. If B is independent of time, obtain v(t) , assuming v(0) = u0.
  3. For (b), show that the decrease in kinetic energy of XY equals the heat lost in R.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×