Electric Circuits Mcqs

Electric Circuits Mcqs 1. When electric charge moves through electrical conductor, there is a production of A. electric current B. electrical charge C. electric cell D. electric circuit 2. Measure of rate of flow of electric charge through an electrical conductor is known as A. electric current B. electrical charge C. electric cell D. electric circuit 3. If electric wires and appliances are overheated due to high voltage of electric current they can A. catch fire B. burn C. freeze D. both a and b 4. Do not use appliances, if A. damaged B. wires exposed C. working properly D. both a and b 5. A component which is used to close or break a circuit, is A. bulb B. switch C. wire D. electric cell 6. A diagram drawn by using symbols which represents electrical components is called A. circuit diagram B. current diagram C. charges diagram D. electric diagram 7. A short thin piece of wire which is heated up and melt by flowing of electric current in it, is called A. circuit B. fuse C. cell

D. resistor 8. In a parallel circuit current flowing from source to each path is A. greater B. lesser C. equal D. unequal 9. A component which provides resistance is called A. heat B. energy C. product D. resistor 10. A circuit which splits into two or more branches is called A. series circuit B. parallel circuit C. open circuit D. close circuit

11. Two or more cells when connected in series make a A. battery B. circuit C. terminal D. resistor 12. Energy which modern gadgets, devices and machines use is A. electrical B. magnetic C. thermal D. chemical 13. In a circuit when an electric current flows in a continuous path, it is called A. close circuit B. open circuit C. hot circuit D. blocked circuit 14. An appliance which use simple electric circuit is an A. electric torch B. microwave oven C. air conditioner

D. generator 15. Inside cell positive terminal is made of A. zinc case B. graphite rod C. carbon D. manganese 16. SI unit for electric current is A. joule B. watt C. volt D. ampere 17. Luigi Galvani discovered effect of electricity on legs of A. lizard B. frog C. human D. horse 18. Source of energy involves A. electric cell B. battery C. switches D. both a and b 19. A circuit which connects an electric source to its components, one after another to form a single loop is A. series circuit B. parallel circuit C. open circuit D. close circuit 20. To control electric current in a circuit, there is used a A. resistor B. insulator C. conductor D. wire 21. A positive terminal and a negative terminal are present in a A .cell B .battery

C circuit D. bulb

22. If more resistors are added in a series circuit resistance will be A. increased B. decreased C .equal D. constant 23. If a high current passes through someone, there will be an A. electric circuit B. electric current C. electric energy D. electric shock 24. Instrument which is used to measure electric current is called A. ammeter B. cell C. battery D. galvanometer 25. Resistor of a variable resistor can be changed hence it is called A. ammeter B. rheostat C. fixed resistor D. variable resistor 26. In a parallel circuit resistance decreases with increase in number of A. resistors B. bulbs C. circuit D. battery 27. In alighted bulb there is a flow of electrons in A. filament B. socket C. glass D. holder 28. Path along which electric current flows is called A. electric current B. electrical charge C. electric cell D. electric circuit

29. A measuring capacity of an electrical component which resists or opposes current flow is called A. resistance B. circuit C. ammeter D. current 30. Chemical reactions which take place inside a cell provides A. heat B. energy C. product D. resistor 31. Ammeter should be connected to measure current flow in the A. series circuit B. parallel circuit C. open circuit D. close circuit 32. Current which flows through each component of a series circuit is A. same B. different C. greater D. lesser 33. Open circuit is a circuit in which flow of current is A. broken B. continuous C. steady D. fast 34. Electrical energy is a form of energy which involves flow of electric A. circuit B. current C. charges D. cell 35. Main disadvantage of series circuit is that if flow of current breaks in one part whole circuit may A. break B. split C. fuse D. demolish 36. Electrical insulators have resistance which is A. high B. Low C. Constant D. All Of them