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

Question

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

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What is the unit of electric current in the CGS system?

A. Ampere

B. Coulomb

C. Statampere

D. Ohm

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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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What is the SI unit of electric current?

A. Ampere

B. Volt

C. Ohm

D. Joule

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What is the SI unit of electric charge in the MKS system?

A. Coulomb

B. Statcoulomb

C. Ampere

D. Franklin

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Which law states that an object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted upon by an external force?

A. Newton's First Law of Motion

B. Newton's Second Law of Motion

C. Newton's Third Law of Motion

D. Law of Gravitation

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What is the SI unit of heat energy?

A. Calorie

B. Joule

C. Newton-meter

D. Watt

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What is the phenomenon where light changes direction when passing from one medium to another?

A. Reflection

B. Diffraction

C. Refraction

D. Polarization

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What is the phenomenon where a wave bounces back after striking a surface?

A. Refraction

B. Diffraction

C. Interference

D. Reflection

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Which of the following statements about wave speed is true?

A. It is determined by frequency and wavelength.

B. It is independent of the medium through which the wave travels.

C. It is inversely proportional to amplitude.

D. It is a scalar quantity.

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What is the SI unit of power?

A. Watt

B. Joule

C. Volt

D. Ampere

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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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What is the SI unit of intensity of sound?

A. Watt per square meter

B. Decibel

C. Hertz

D. Pascal

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What is the SI unit of magnetic flux density?

A. Tesla

B. Weber

C. Henry

D. Gauss

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Which of the following statements about gravity is true?

A. It is a contact force.

B. It is a repulsive force.

C. It is a conservative force.

D. It only acts on planets and stars.

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Which of the following is a type of nuclear radiation that consists of high-energy photons?

A. Alpha radiation

B. Beta radiation

C. Gamma radiation

D. Neutron radiation

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Which type of energy is associated with the motion of atoms and molecules?

A. Kinetic energy

B. Potential energy

C. Thermal energy

D. Mechanical energy

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Which of the following is a fundamental force of nature responsible for holding atomic nuclei together?

A. Electromagnetic force

B. Gravitational force

C. Weak nuclear force

D. Strong nuclear force

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What is the SI unit of magnetic field strength in the CGS system?

A. Oersted

B. Tesla per meter

C. Ampere per meter

D. Weber

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

A. Inertia

B. Momentum

C. Impulse

D. Damping coefficient

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What is the SI unit of magnetic flux in the CGS system?

A. Weber

B. Gauss

C. Tesla

D. Henry

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Which of the following statements about waves is true?

A. Longitudinal waves require a medium for propagation.

B. Transverse waves have oscillations perpendicular to the direction of wave motion.

C. Electromagnetic waves are an example of mechanical waves.

D. Sound waves are an example of electromagnetic waves.

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What is the SI unit of angular momentum?

A. Kilogram-meter per second

B. Joule-second

C. Newton-meter

D. Hertz

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What is the SI unit of magnetic field strength?

A. Tesla

B. Weber

C. Gauss

D. Ampere

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What is the SI unit of electric potential energy?

A. Volt

B. Joule

C. Watt

D. Ohm

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Which type of particle is negatively charged and orbits the nucleus of an atom?

A. Electron

B. Proton

C. Neutron

D. Positron

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What is the SI unit of momentum?

A. Kilogram-meter per second

B. Newton-meter

C. Joule

D. Watt

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What is the phenomenon where a wave changes direction as it passes through a medium with a different density?

A. Reflection

B. Diffraction

C. Refraction

D. Interference

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Which of the following is a measure of a material's ability to conduct an electric current?

A. Conductance

B. Impedance

C. Susceptance

D. Inductance

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What is the SI unit of electric potential?

A. Volt

B. Ampere

C. Ohm

D. Watt

Discuss this answer

What is the SI unit of magnetic flux?

A. Weber

B. Tesla

C. Henry

D. Gauss

Discuss this answer

Accepted Answer

C. Conservation of Charge

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

Correct Answer :

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