Q. Find the strength of the magnetic field in a conductor 0.5m long moving with a velocity of 10m/s, inducing an emf of 20V if magnetic field, velocity and length of conductor are mutually perpendicular to each other.

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Q. What does emf stand for?

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Q. What is emf?

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Q. According to Faraday’s laws of electromagnetic induction, an emf is induced in a conductor whenever?

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Q. Direction of induced emf is determined by __________

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Q. “The direction of an induced e.m.f. is always such that it tends to set up a current opposing the motion or the change of flux responsible for inducing that e.m.f.”, this is the statement for?

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Q. According to Fleming’s right hand rule, the thumb points towards?

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Q. According to Fleming’s right hand rule, the index finger points towards?

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Q. According to Fleming’s right hand rule, the middle finger points towards?

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Q. The relation between the direction of induced emf and the direction of motion of the conductor is?

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Q. The relation between the direction of induced emf and the direction of magnetic flux is _______

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Q. The relation between the direction of magnetic flux and the direction of motion of the conductor is _______

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Q. Which, among the following, is the formula for induced emf?

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Q. According to _________________ induced emf is equal to rate of change of magnetic flux.

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Q. The emf induced in a coil having N turns is?

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Q. According to ____________________ induced emf oppose the cause due to which they are produced.

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Q. North pole induces __________

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Q. What is the principle of the transformer?

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Q. Voltage induced in secondary coil of transformer is given by__________________

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