What is the SI unit of electric potential?
Volt
Ampere
Ohm
Watt
Correct Answer :
A. Volt
Related Questions
Which of the following statements about transformers is true?
They only work with direct current (DC).
They can increase or decrease voltage in an electrical circuit.
They do not involve the principle of electromagnetic induction.
They are used to store electrical energy.
Which of the following is a type of nuclear radiation that consists of high-energy photons?
Alpha radiation
Beta radiation
Gamma radiation
Neutron radiation
Which type of nuclear decay releases a beta particle?
Alpha decay
Beta decay
Gamma decay
Electron capture
What is the SI unit of frequency in the CGS system?
Hertz
Rad/s
Cycles per second
Revolutions per minute
What is the phenomenon where light waves oscillate in a single plane?
Polarization
Diffraction
Interference
Dispersion
Which type of nuclear decay releases an alpha particle?
Alpha decay
Beta decay
Gamma decay
Positron emission
Which of the following statements about electric potential energy is true?
It is a scalar quantity.
It depends on the charge of the object and the distance from another charge.
It is always negative.
It is measured in amperes.
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
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.
What is the SI unit of force?
Watt
Joule
Newton
Volt
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 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
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.
What is the SI unit of intensity of sound?
Watt per square meter
Decibel
Hertz
Pascal
What is the phenomenon where a wave combines with another wave to produce a wave with greater amplitude?
Reflection
Diffraction
Refraction
Constructive interference
What is the SI unit of pressure?
Pascal
Newton
Joule
Watt
What is the SI unit of energy?
Joule
Watt
Newton
Volt
What is the SI unit of angular momentum?
Kilogram-meter per second
Joule-second
Newton-meter
Hertz
What is the phenomenon where a wave is partially deflected and partially absorbed by a surface?
Reflection
Diffraction
Refraction
Absorption
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 type of electromagnetic wave has the highest frequency?
Gamma rays
Radio waves
X-rays
Microwaves
What is the SI unit of magnetic flux density?
Tesla
Weber
Henry
Gauss
Which type of lens is thicker in the center and thinner at the edges?
Convex lens
Concave lens
Plano-convex lens
Plano-concave lens
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
Which of the following statements about wave speed is true?
It is determined by frequency and wavelength.
It is independent of the medium through which the wave travels.
It is inversely proportional to amplitude.
It is a scalar quantity.
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 of the following is a non-contact force?
Friction
Tension
Gravity
Magnetic force
What is the unit of electric charge?
Coulomb
Volt
Ampere
Farad
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
Which of the following is a measure of an object's resistance to changes in its linear motion?
Inertia
Momentum
Impulse
Damping coefficient