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