JEE Main · PhysicsEasy
Which of the following is a fundamental unit in the SI system?
- A.Newton
- B.Joule
- C.Ampere
- D.Watt
Show correct answer & step-by-step solution
Correct answer: C — Ampere
Solution
The SI system defines seven base units. Ampere is the base unit for electric current, while Newton, Joule, and Watt are derived units.
Attempt this question & track your score
Sign up free to answer, get instant scoring, and let SolveGini track which Physics topics you need to revise.
Attempt & Track Free →More Units & Measurements practice questions
- What is the dimensional formula for force?
- Which of the following physical quantities has the same dimensions as impulse?
- The number of significant figures in 0.005060 is:
- Which of the following is a dimensionless quantity?
- If the unit of length is doubled and the unit of time is halved, then the unit of acceleration will be changed by a fact
- The physical quantity which has the same dimensions as Planck constant is
- If the velocity of light c, gravitational constant G, and Planck constant h are chosen as fundamental units, the dimensi
- If the units of length, mass, and time are doubled, the unit of energy becomes how many times the original unit?
- If the velocity of light c, gravitational constant G, and Planck constant h are chosen as fundamental units, the dimensi
- A student measures the thickness of a wire using a screw gauge with a pitch of 1 mm and 100 divisions on the circular sc