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Which law states that the electromotive force (emf) in a closed circuit is equal to the rate of change of magnetic flux through the circuit?

A. Faraday's Law of Electromagnetic Induction

B. Lenz's Law

C. Ohm's Law

D. Ampere's Law

Correct Answer :

A. Faraday's Law of Electromagnetic Induction


Related Questions

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4

Which of the following statements about kinetic friction is true?

A. It always opposes motion.

B. It is independent of the normal force.

C. It is greater than static friction.

D. It depends on the velocity of the object.

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4

What is the SI unit of force?

A. Watt

B. Joule

C. Newton

D. Volt

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4

Which of the following is a measure of an object's resistance to changes in its state of motion?

A. Inertia

B. Momentum

C. Impulse

D. Damping coefficient

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4

Which of the following is a measure of the amount of matter in an object?

A. Mass

B. Weight

C. Volume

D. Density

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4

What is the SI unit of heat energy?

A. Calorie

B. Joule

C. Newton-meter

D. Watt

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4

Which type of lens is thinner in the center and thicker at the edges?

A. Convex lens

B. Concave lens

C. Plano-convex lens

D. Plano-concave lens

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4

What is the SI unit of resistance in an electrical circuit?

A. Ohm

B. Volt

C. Ampere

D. Watt

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4

What is the phenomenon where a charged object induces a charge separation in a neutral object when brought close to it?

A. Conduction

B. Induction

C. Charging by friction

D. Polarization

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4

What is the SI unit of frequency?

A. Hertz

B. Newton

C. Pascal

D. Watt

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4

What is the SI unit of magnetic pole strength?

A. Ampere-meter

B. Weber

C. Tesla

D. Ampere

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4

What is the process by which a gas changes into a solid without passing through the liquid phase?

A. Vaporization

B. Deposition

C. Sublimation

D. Condensation

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4

What is the process by which an atomic nucleus splits into smaller particles?

A. Radioactive decay

B. Nuclear fission

C. Nuclear fusion

D. Electron capture

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4

What is the process by which a material becomes magnetized when placed in a magnetic field?

A. Induction

B. Magnetization

C. Polarization

D. Ferromagnetism

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4

What is the SI unit of power?

A. Watt

B. Joule

C. Volt

D. Ampere

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4

What is the unit of angular velocity?

A. Rad/s

B. m/s

C. Hz

D. Nm

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4

Which of the following statements about circular motion is true?

A. The centripetal force acts outward from the center of the circle.

B. Angular velocity is constant in circular motion.

C. The velocity of an object in circular motion is constant.

D. Acceleration is directed towards the center of the circle.

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4

Which of the following is an example of a longitudinal wave?

A. Sound wave

B. Light wave

C. X-ray

D. Radio wave

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4

Which type of electromagnetic wave has the highest frequency?

A. Gamma rays

B. Radio waves

C. X-rays

D. Microwaves

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4

What is the SI unit of electric potential difference?

A. Volt

B. Ampere

C. Ohm

D. Watt

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4

What is the process by which a solid changes directly into a gas without passing through the liquid phase?

A. Evaporation

B. Sublimation

C. Condensation

D. Melting

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What is the unit of electric charge?

A. Coulomb

B. Volt

C. Ampere

D. Farad

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4

What is the phenomenon where light waves oscillate in multiple planes?

A. Polarization

B. Diffraction

C. Dispersion

D. Interference

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4

Which type of mirror can form both real and virtual images?

A. Concave mirror

B. Convex mirror

C. Plane mirror

D. Spherical mirror

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4

What is the SI unit of magnetic flux density?

A. Tesla

B. Weber

C. Henry

D. Gauss

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4

Which of the following is a type of nuclear radiation that consists of high-speed electrons or positrons?

A. Alpha radiation

B. Beta radiation

C. Gamma radiation

D. Neutron radiation

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4

What is the wavelength range of visible light?

A. 100 nm - 400 nm

B. 400 nm - 700 nm

C. 700 nm - 1000 nm

D. 1 mm - 10 mm

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4

What is the phenomenon where a wave undergoes a change in direction due to a change in medium?

A. Reflection

B. Diffraction

C. Refraction

D. Interference

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4

Which law states that the electromotive force (emf) in a closed circuit is equal to the rate of change of magnetic flux through the circuit?

A. Faraday's Law of Electromagnetic Induction

B. Lenz's Law

C. Ohm's Law

D. Ampere's Law

What is the correct answer?

4

Which of the following statements about nuclear fusion is true?

A. It releases energy when light nuclei combine to form heavier nuclei.

B. It is the process that powers stars.

C. It is a type of radioactive decay.

D. It involves the emission of beta particles.

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4

What is the law that states the total electric charge in a closed system is constant?

A. Coulomb's Law

B. Ohm's Law

C. Conservation of Charge

D. Ampere's Law