What is the SI unit of magnetic field strength?
Tesla
Weber
Gauss
Ampere
Correct Answer :
A. Tesla
Related Questions
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 phenomenon where a wave undergoes a change in direction due to a change in medium?
Reflection
Diffraction
Refraction
Interference
Which law states that the pressure of a gas is directly proportional to its absolute temperature at constant volume?
Boyle's Law
Charles's Law
Gay-Lussac's Law
Avogadro's Law
What is the SI unit of electric current?
Ampere
Volt
Ohm
Joule
Which law states that for every action, there is an equal and opposite reaction?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Law of Universal Gravitation
Which law states that the pressure of a gas is directly proportional to its absolute temperature at constant volume?
Boyle's Law
Charles's Law
Gay-Lussac's Law
Avogadro's Law
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 phenomenon where a wave is partially deflected and partially absorbed by a surface?
Reflection
Diffraction
Refraction
Absorption
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 unit of electric charge?
Coulomb
Volt
Ampere
Farad
What is the SI unit of resistance in an electrical circuit?
Ohm
Volt
Ampere
Watt
What is the formula for calculating electric power in a circuit?
P = VI
P = V²/R
P = I²R
P = V/R
What is the law that states 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 heat energy?
Calorie
Joule
Newton-meter
Watt
Which of the following statements about electric fields is true?
Electric fields always point towards positive charges.
Electric fields are vectors and have both magnitude and direction.
Electric fields only exist inside conductors.
Electric fields do not interact with magnetic fields.
Which law states that the total entropy of an isolated system can never decrease over time?
First Law of Thermodynamics
Second Law of Thermodynamics
Third Law of Thermodynamics
Law of Conservation of Mass
Which law states that the volume of a gas is directly proportional to its absolute temperature at constant pressure?
Boyle's Law
Charles's Law
Gay-Lussac's Law
Avogadro's Law
Which law states that the force between two charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them?
Coulomb's Law
Ohm's Law
Ampere's Law
Faraday's Law
What is the phenomenon where a charged object induces a charge separation in a neutral object when brought close to it?
Conduction
Induction
Charging by friction
Polarization
What is the phenomenon where light changes direction when passing from one medium to another?
Reflection
Diffraction
Refraction
Polarization
What is the phenomenon where light waves oscillate in multiple planes?
Polarization
Diffraction
Dispersion
Interference
What is the process of a solid changing directly into a gas called?
Evaporation
Sublimation
Condensation
Melting
What is the SI unit of angular momentum?
Kilogram-meter per second
Joule-second
Newton-meter
Hertz
Which of the following is a fundamental particle found in the nucleus of an atom?
Neutron
Electron
Proton
Photon
What is the process by which a gas changes into a solid without passing through the liquid phase?
Vaporization
Deposition
Sublimation
Condensation
What is the SI unit of half-life in radioactive decay?
Second
Year
Joule
Becquerel
What is the SI unit of angular acceleration?
Rad/s²
m/s²
Hz
Nm
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
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
Which of the following statements about gravity is true?
It is a contact force.
It is a repulsive force.
It is a conservative force.
It only acts on planets and stars.