Question Paper
Class / Subject: Class 7 (CBSE) · Science
Chapter: Chapter 3 — Chapter 3: Electricity: Circuits and their Components
Time Allowed: 15 minutes
Max Marks: 6
1. A device used to break or complete a circuit is called a: [1]
(A) switch
(B) cell
(C) wire
(D) bulb
2. A material that allows current to pass through easily is called a: [1]
(A) conductor
(B) insulator
(C) switch
(D) cell
3. For a bulb to light up, the circuit must be: [1]
(A) closed (complete)
(B) open
(C) made only of insulators
(D) disconnected
4. If one bulb fails in a series circuit, the other bulbs: [1]
(A) also go off
(B) keep working
(C) get brighter
(D) get dimmer only
5. Household electrical wiring typically uses: [1]
(A) parallel circuits
(B) series circuits only
(C) no circuits
(D) open circuits
6. In a parallel circuit, each device has: [1]
(A) its own independent path for current
(B) the exact same path as all others
(C) no path at all
(D) a shared switch only