Question Paper
Class / Subject: Class 8 (ICSE) · Science
Chapter: Chapter 8 — Chapter 8: Electricity
Time Allowed: 32 minutes
Max Marks: 16
1. What is an electric circuit? [1]
(A) A closed loop for current flow
(B) An open loop only
(C) A type of magnet
(D) A type of light
2. What does a circuit need? [1]
(A) A power source, conductors and a load
(B) Only a power source
(C) Only conductors
(D) Nothing specific
3. What unit measures current? [1]
(A) Amperes
(B) Volts
(C) Ohms
(D) Watts
4. What unit measures voltage? [1]
(A) Volts
(B) Amperes
(C) Ohms
(D) Watts
5. What unit measures resistance? [1]
(A) Ohms
(B) Volts
(C) Amperes
(D) Watts
6. What does Ohm's Law state? [1]
(A) V = IR
(B) V = I + R
(C) V = I - R
(D) V = I ÷ R
7. Why is electrical safety important? [1]
(A) To prevent accidents
(B) No reason
(C) It's not important
(D) Only for professionals
8. What should we avoid near electrical devices? [1]
(A) Water
(B) Only air
(C) Only light
(D) Nothing needs avoiding
9. What is an electric circuit? [1]
(A) A closed loop for current flow
(B) An open loop only
(C) A type of magnet
(D) A type of light
10. What does a circuit need? [1]
(A) A power source, conductors and a load
(B) Only a power source
(C) Only conductors
(D) Nothing specific
11. What unit measures current? [1]
(A) Amperes
(B) Volts
(C) Ohms
(D) Watts
12. What unit measures voltage? [1]
(A) Volts
(B) Amperes
(C) Ohms
(D) Watts
13. What unit measures resistance? [1]
(A) Ohms
(B) Volts
(C) Amperes
(D) Watts
14. What does Ohm's Law state? [1]
(A) V = IR
(B) V = I + R
(C) V = I - R
(D) V = I ÷ R
15. Why is electrical safety important? [1]
(A) To prevent accidents
(B) No reason
(C) It's not important
(D) Only for professionals
16. What should we avoid near electrical devices? [1]
(A) Water
(B) Only air
(C) Only light
(D) Nothing needs avoiding