Q. If net force is zero on a particle in magnetic field what is relation between velocity and magnetic field?

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Q. If the intensity of the magnetic field is 100T, the length of the conductor is 10m and the magnitude of force perpendicular to the magnetic field is 10kN, calculate the current in the conductor.

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Q. If the intensity of the magnetic field perpendicular to current carrying conductor is 100T, the length of the conductor is 3m and the current in the conductor is 10A, calculate the magnitude of force perpendicular to the electric field.

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Q. Force in current carrying conductor placed in magnetic field is ___________ of il and B.

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Q. An E.M.F. can be induced by _________

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Q. What happens to the current in a coil while accelerating a magnet inside it?

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Q. What is the consequence of motor effect?

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Q. The total number of magnetic field lines passing through an area is termed as?

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Q. The formula for induced emf if magnetic field, length and velocity of conductor all are mutually perpendicular is __________

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Q. If a conductor 0.2m long moves with a velocity of 0.3m/s in a magnetic field of 5T, calculate the emf induced if magnetic field, velocity and length of conductor are mutually perpendicular to each other.

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Q. Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V if magnetic field, velocity and length of conductor are mutually perpendicular to each other.

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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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