Class 5 Science Chapter 7 Test 2 Welcome to your Class 5 Science Chapter 7 Test 2 Name Email 1. When the current stops flowing through the circuit is called ________ circuit. Open Closed Solar None of these 2. The materials through which current can pass are called ________. Conductors Insulators Iron None of these 3. The ________of flow of current is called electric circuit. Speed Light Path None of these 4. The instant tripping of circuit breaker ________ the current flow. Start Stop Fast Slow 5. When excessive current passes through fuse, it will blow immediately and current will ________ flowing. Start Stop Fast Slow 6. ________ is insulator for electricity but conductor for heat. Gold Silver Diamond None of these 7. Then the current starts flowing through the circuit is called ________ circuit. Open Closed Solar None of these 8. The iron, copper and other metallic objects are ________. Iron Copper Metallic objects All of these 9. Circuit breakers are used these days instead of ________. Battery Appliances Fuse 10. The current can flow through ________circuit. Open Closed OFF None of these 11. When the switch is turn OFF, the circuit becomes incomplete or ________. Open Closed Solar None of these 12. When the switch is turn ON, the circuit becomes complete or ________. Open Closed Solar None of these 13. The materials through which current can pass are called ________. Conductors Insulators Wood None of these 14. Afuse in used in circuit for the ________ use of electricity. Harm Safe Less High 15. ________ is a piece of thin wire that is used in an electric circuit to protect electrical appliances. Battery Appliances Fuse None of these 16. Wood, rubber and plastic are ________. Wood Rubber Plastic All of these Time is Up! Time's up
