Question Paper
Class / Subject: Class 9 (ICSE) · Physics
Chapter: Chapter 9 — Chapter 9: Current Electricity
Time Allowed: 32 minutes
Max Marks: 16
1. What unit measures electric current? [1]
(A) Amperes
(B) Volts
(C) Ohms
(D) Watts
2. What does electric current represent? [1]
(A) Rate of flow of electric charge
(B) The colour of a wire
(C) The length of a wire
(D) Nothing specific
3. What does Ohm's Law state? [1]
(A) V = IR
(B) V = I + R
(C) V = I - R
(D) V = I ÷ R
4. What happens to current in a series circuit? [1]
(A) It remains the same throughout
(B) It varies at each point
(C) It doubles at each resistor
(D) It becomes zero
5. What happens to voltage in a series circuit? [1]
(A) Voltages add across resistors
(B) Voltage remains the same
(C) Voltage becomes zero
(D) Voltage doubles
6. What happens to voltage in a parallel circuit? [1]
(A) It remains the same across each branch
(B) It varies at each branch
(C) It doubles at each branch
(D) It becomes zero
7. What happens to current in a parallel circuit? [1]
(A) Currents add across branches
(B) Current remains the same
(C) Current becomes zero
(D) Current doubles
8. Why study current electricity? [1]
(A) Essential for circuit design and everyday devices
(B) No reason
(C) It's not useful
(D) Only for tests
9. What unit measures electric current? [1]
(A) Amperes
(B) Volts
(C) Ohms
(D) Watts
10. What does electric current represent? [1]
(A) Rate of flow of electric charge
(B) The colour of a wire
(C) The length of a wire
(D) Nothing specific
11. What does Ohm's Law state? [1]
(A) V = IR
(B) V = I + R
(C) V = I - R
(D) V = I ÷ R
12. What happens to current in a series circuit? [1]
(A) It remains the same throughout
(B) It varies at each point
(C) It doubles at each resistor
(D) It becomes zero
13. What happens to voltage in a series circuit? [1]
(A) Voltages add across resistors
(B) Voltage remains the same
(C) Voltage becomes zero
(D) Voltage doubles
14. What happens to voltage in a parallel circuit? [1]
(A) It remains the same across each branch
(B) It varies at each branch
(C) It doubles at each branch
(D) It becomes zero
15. What happens to current in a parallel circuit? [1]
(A) Currents add across branches
(B) Current remains the same
(C) Current becomes zero
(D) Current doubles
16. Why study current electricity? [1]
(A) Essential for circuit design and everyday devices
(B) No reason
(C) It's not useful
(D) Only for tests