Question Paper
Class / Subject: Class 8 (SSC) · Science (सामान्य विज्ञान)
Chapter: Chapter 4 — Chapter 4: Current Electricity and Magnetism
Time Allowed: 32 minutes
Max Marks: 16
1. What is electric current? [1]
(A) The flow of electric charge
(B) The flow of magnetic field only
(C) A type of light
(D) A type of sound
2. What is current measured in? [1]
(A) Amperes
(B) Volts only
(C) Watts only
(D) Ohms only
3. What creates a magnetic field around a conductor? [1]
(A) Current flowing through it
(B) Only a static conductor
(C) Only heat
(D) Only light
4. Who discovered this electromagnetic relationship? [1]
(A) Oersted
(B) Newton
(C) Einstein
(D) Edison
5. What is an electromagnet? [1]
(A) A magnet created using current through a coiled wire
(B) A permanent magnet only
(C) A type of battery
(D) A type of resistor
6. What strengthens an electromagnet's field? [1]
(A) An iron core
(B) A wooden core
(C) A plastic core
(D) Nothing strengthens it
7. What devices use the electricity-magnetism connection? [1]
(A) Electric motors and generators
(B) Only light bulbs
(C) Only batteries
(D) Only wires
8. Why learn about current electricity and magnetism? [1]
(A) To understand many everyday electrical devices
(B) No reason
(C) It's not useful
(D) Only for tests
9. What is electric current? [1]
(A) The flow of electric charge
(B) The flow of magnetic field only
(C) A type of light
(D) A type of sound
10. What is current measured in? [1]
(A) Amperes
(B) Volts only
(C) Watts only
(D) Ohms only
11. What creates a magnetic field around a conductor? [1]
(A) Current flowing through it
(B) Only a static conductor
(C) Only heat
(D) Only light
12. Who discovered this electromagnetic relationship? [1]
(A) Oersted
(B) Newton
(C) Einstein
(D) Edison
13. What is an electromagnet? [1]
(A) A magnet created using current through a coiled wire
(B) A permanent magnet only
(C) A type of battery
(D) A type of resistor
14. What strengthens an electromagnet's field? [1]
(A) An iron core
(B) A wooden core
(C) A plastic core
(D) Nothing strengthens it
15. What devices use the electricity-magnetism connection? [1]
(A) Electric motors and generators
(B) Only light bulbs
(C) Only batteries
(D) Only wires
16. Why learn about current electricity and magnetism? [1]
(A) To understand many everyday electrical devices
(B) No reason
(C) It's not useful
(D) Only for tests