1. What is the SI unit of Electric current?
- ASteradian (sr)
- BKilogram (kg)
- CAmpere (A)
- DFarad (F)
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Answer: C
The SI unit of Electric current is Ampere.
SI Units — Physics Questions & Practice
Practise 42 SI Units questions from Physics for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong.
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Practice questions on SI Units — with answers
Try each question first, then open the answer. Explanations are included.
2. What is the SI unit of Luminous intensity?
- ACandela (cd)
- BGray (Gy)
- CSecond (s)
- DVolt (V)
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Answer: A
The SI unit of Luminous intensity is Candela.
3. What is the SI unit of Amount of substance?
- AMole (mol)
- BWeber (Wb)
- CSteradian (sr)
- DCandela (cd)
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Answer: A
The SI unit of Amount of substance is Mole.
4. What is the SI unit of Magnetic flux?
- AWeber (Wb)
- BHertz (Hz)
- CJoule (J)
- DHenry (H)
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Answer: A
The SI unit of Magnetic flux is Weber.
5. What is the SI unit of Capacitance?
- AKelvin (K)
- BFarad (F)
- CWeber (Wb)
- DLux (lx)
Show answer
Answer: B
The SI unit of Capacitance is Farad.
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