Class 10 Science Chapter 11: Electricity — practice questions with answers
Free practice for Class 10 Science, Chapter 11: Electricity. Try the solved questions below, then take a free test with instant marking and explanations.
54 questions25 easy, 19 medium, 10 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. The SI unit of electric charge is the ______.
- coulomb
- ampere
- volt
- ohm
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Answer: A. coulomb
Why: 1 C is the charge of about 6 × 10¹⁸ electrons. [p.172]
Why: 1 C is the charge of about 6 × 10¹⁸ electrons. [p.172]
Q2. Electric current is measured by an ______ connected in series.
- ammeter
- voltmeter
- galvanometer in parallel
- ohmmeter in parallel
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Answer: A. ammeter
Why: An ammeter has very low resistance. [p.172]
Why: An ammeter has very low resistance. [p.172]
Q3. The potential difference across a conductor is measured by a ______ connected in parallel.
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Answer: voltmeter
Why: A voltmeter has high resistance. [p.173]
Why: A voltmeter has high resistance. [p.173]
Q4. Ohm's law states that, at constant temperature, ______.
- V ∝ I
- V ∝ 1/I
- V ∝ I²
- I ∝ R
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Answer: A. V ∝ I
Why: V = IR, where R is the resistance. [p.175]
Why: V = IR, where R is the resistance. [p.175]
Q5. The SI unit of resistivity is ______.
- Ω m
- Ω
- Ω/m
- V/A
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Answer: A. Ω m
Why: ρ = RA/l. [p.178]
Why: ρ = RA/l. [p.178]
Q6. A device used to change the resistance in a circuit is called a ______.
Show answer
Answer: rheostat
Why: It regulates current without changing the voltage source. [p.175]
Why: It regulates current without changing the voltage source. [p.175]
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Frequently asked questions
How many practice questions are there for Class 10 Science Chapter 11: Electricity?
54 questions (25 easy, 19 medium, 10 hard). A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 10 Science syllabus, used by CBSE and many state boards.