What is the unit of electric charge?
Coulomb
Volt
Ampere
Farad
Correct Answer :
A. Coulomb
Related Questions
Which of the following is a type of nuclear radiation that consists of high-speed electrons or positrons?
Alpha radiation
Beta radiation
Gamma radiation
Neutron radiation
What is the SI unit of electric field strength?
Volt per meter
Newton per coulomb
Coulomb per second
Ampere per meter
What is the SI unit of magnetic pole strength?
Ampere-meter
Weber
Tesla
Ampere
What is the phenomenon where light changes direction when passing from one medium to another?
Reflection
Diffraction
Refraction
Polarization
What is the phenomenon where a wave changes direction as it passes through a medium with a different density?
Reflection
Diffraction
Refraction
Interference
Which law states that the total electric charge in a closed system is constant?
Coulomb's Law
Ohm's Law
Conservation of Charge
Ampere's Law
What is the SI unit of intensity of sound?
Watt per square meter
Decibel
Hertz
Pascal
What is the SI unit of power?
Watt
Joule
Volt
Ampere
What is the phenomenon where a wave is partially deflected and partially absorbed by a surface?
Reflection
Diffraction
Refraction
Absorption
What is the SI unit of magnetic susceptibility?
No unit (dimensionless)
Tesla per meter
Ampere per meter
Weber
Which of the following statements about nuclear fusion is true?
It releases energy when light nuclei combine to form heavier nuclei.
It is the process that powers stars.
It is a type of radioactive decay.
It involves the emission of beta particles.
Which type of energy is associated with the motion of atoms and molecules?
Kinetic energy
Potential energy
Thermal energy
Mechanical energy
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?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Law of Gravitation
What is the SI unit of electric potential?
Volt
Ampere
Ohm
Watt
Which of the following is a type of nuclear radiation that consists of high-energy photons?
Alpha radiation
Beta radiation
Gamma radiation
Neutron radiation
What is the SI unit of capacitance in the CGS system?
Farad
Statfarad
Ampere-second
Volt
What is the SI unit of electric current?
Ampere
Volt
Ohm
Joule
What is the SI unit of half-life in radioactive decay?
Second
Year
Joule
Becquerel
What is the SI unit of inductance?
Henry
Farad
Ohm
Volt
Which type of lens is thinner in the center and thicker at the edges?
Convex lens
Concave lens
Plano-convex lens
Plano-concave lens
What is the SI unit of magnetic field strength in the CGS system?
Oersted
Tesla per meter
Ampere per meter
Weber
What is the SI unit of resistance in an electrical circuit?
Ohm
Volt
Ampere
Watt
What is the SI unit of frequency?
Hertz
Newton
Pascal
Watt
Which law states that the total momentum of an isolated system remains constant if no external forces act on it?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Law of Conservation of Momentum
Which of the following is a fundamental force of nature responsible for holding atomic nuclei together?
Electromagnetic force
Gravitational force
Weak nuclear force
Strong nuclear force
What is the phenomenon where light waves oscillate in multiple planes?
Polarization
Diffraction
Dispersion
Interference
Which of the following statements about kinetic friction is true?
It always opposes motion.
It is independent of the normal force.
It is greater than static friction.
It depends on the velocity of the object.
What is the SI unit of electrical conductance?
Siemens
Ohm
Farad
Volt
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?
Faraday's Law of Electromagnetic Induction
Lenz's Law
Ohm's Law
Ampere's Law
What is the process by which a material acquires a positive or negative charge by gaining or losing electrons?
Conduction
Induction
Charging by friction
Polarization