Electromagnetic Induction

Subject matter experts of JagranJosh have developed chapter wise practice questions of Class 12th as per the relevancy of the chapter in the CBSE board exam. This practice set contains 10 questions with detailed explanations on “Chapter: Electromagnetic Induction” of Physics.

  • Q1. A square shape conductor of length X and resistance R moves in its plane with a uniform velocity ( v ) perpendicular to one of its sided. A uniform magnetic field ( B )in the direction pointing  perpendicular and into the plane of the loop exists everywhere, as shown in the figure given  below. The current induced in the loop is:

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  • Q2. Two circulars coil, one of small radius r 1 and other of very large radius  r 2  are placed coaxially  with centres coinciding. The mutual inductance of the arrangement is:

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  • Q3.Three inductors are connected as shown in the figure given below. What is its equivalent inductance?

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  • Q4.A copper rod of length l rotates about its end with angular velocity ω in a uniform magnetic filed B. What is the magnitude of emf developed between the ends of the rod?

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  • Q5.A circular conducting coil with radius r and resistance R is placed with its plane perpendicular to a magnetic field varying with time as B =  B 0  sinωt. What is the expression for induced current in the loop?

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  • Q6.The equivalent inductance of the circuit shown in the figure given below is

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  • Q7.A metal plate is getting heated. Which of the following reason is correct?

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