Faraday and Lenz

Who discovered chemical effect of elecric current?

• Thomas Edison

• Joule-Lenz

• Michael Faraday

• James Watt

This law states that whenever there is a change in magnetic flux in a circuit, an induced current is produced.

• Lenz's Law

• Faraday's Law

• Oersted's Law

• Newton's Law

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It is the process of inducing a current by moving a magnetic field through a wire coil.

• electromagnetic waves

• electromagnetic conduction

• electromagnetic spectrum

• electromagnetic induction

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This law states that the direction of an induced current is such that its own magnetic field opposes the original change in magnetic flux that induced the current.

• Lenz's Law

• Newton's Law

• Tesla's Law

• Faraday's Law

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Which of the following statement is correct?

• The value of the magnetic flux is not relative to the total number of lines passing through the loop.

• When the area is perpendicular to the lines, no lines pass through the area.

• When the area is parallel to the lines, the maximum number of lines pass through the area.

• When area is perpendicular to the lines, the maximum number of lines pass through the area.

The process of inducing an electric current with a magnetic field known as electromagnetic induction.

• True

• False

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Which law states that the induced e.m.f. and the current constantly oppose the source that produces them?

• Lenz's

• Charle's

• Faraday's

• Coulomb's

Which scientist is credited with the discovery of electromagnetic induction?

• Michael Faraday

• Heinrich Lenz

• James Clerk Maxwell

• Nikola Tesla

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What does Lenz's Law state about the direction of induced current?

• It enhances the change in magnetic flux.

• It opposes the change in magnetic flux.

• It has no effect on magnetic flux.

• It aligns with the change in magnetic flux.

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In an experiment, a magnet is moved through a coil of wire. What is the expected outcome according to Faraday's Law?

• No current is induced.

• A current is induced in the coil.

• The coil becomes magnetized permanently.

• The magnet loses its magnetism.

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