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Quiz for Electromagnetic Induction

Course: JEE | Subject: Physics | Topic: Electricity and Magnetism



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Q1: Which law explains the production of induced emf in a coil due to change in magnetic flux?

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Q2: According to Lenz’s Law, the direction of induced current is such that it ______.

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Q3: The SI unit of magnetic flux is:

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Q4: Faraday’s second law states that the magnitude of induced emf is proportional to the:

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Q5: Which quantity is directly related to self-inductance?

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Q6: If a magnet is pushed into a coil, an emf is induced due to:

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Q7: A coil with 100 turns is placed in a magnetic field that changes by 0.02 Wb in 0.1s. The induced emf is:

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Q8: Which of the following does NOT affect the magnitude of induced emf in a coil?

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Q9: A current carrying conductor produces a magnetic field due to:

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Q10: Mutual induction occurs when:

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Q11: The unit of self-inductance is:

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Q12: What is the emf generated if a 0.5 T magnetic field is reduced to 0 in 0.1 s through a loop of area 0.02 m²?

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Q13: What is the magnetic flux linked with a coil of 5 turns and magnetic field of 0.2 T through an area of 0.1 m²?

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Q14: Which device works on the principle of electromagnetic induction?

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Q15: The induced current is maximum when:

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Q16: In which of the following cases is the induced emf zero?

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Q17: Lenz’s Law is a consequence of conservation of:

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Q18: Which of the following will increase mutual inductance?

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Q19: The emf induced in a coil is 5V and resistance is 10 ohm. The induced current is:

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Q20: What happens to induced current if coil area is doubled?

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