Topic Overview – Electricity, Circuits and Components

Results

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#31. Does the total amount of current change from the positive to the negative terminal?

Yes

Because current is conserved.

Topic Overview – Electricity, Circuits and Components

Good Luck!

Results

#1. What is potential difference measured in?

#2. Does a circuit need to be closed for current to flow?

#3. A student sets up a series circuit that has two filament lamps, a power source and a switch after the first lamp. Can the first lamp be turned off whilst keeping the second lamp on?

#4. What is current measured in?

#5. Fill in the gap. In a parallel circuit, the current ...... at a junction.

#6. What is this component?

#7. What is the function of a voltmeter?

#8. What is this component?

#9. In a parallel circuit, is the potential difference across each branch -

#10. What is this component?

#11. What is the function of a resistor?

#12. Are voltmeters connected in parallel or series?

#13. What is this component?

#14. What is the function of a fuse?

#15. Why are metals good conductors?

#16. Is this a parallel or series circuit?

#17. What is this component?

#18. What is this component?

#19. A student sets up a parallel circuit with two lamps, two switches and a power source. Each lamp is on a separate route, with a switch placed before it. If one switch is turned off, will the lamp on the other route remain on?

#20. What is this component?

#21. What is a battery?

#22. What is the function of a variable resistor?

#23. What is this component?

#24. Is this a parallel or series circuit?

#25. Electrons are negatively charged, so they move to which terminal of a battery or cell?

#26. What is the function of an LED?

#27. Conventional current goes from:

#28. What is the function of an ammeter?

#29. Does a current flow if there is no source of potential difference?

#30. What is this component?

#31. Does the total amount of current change from the positive to the negative terminal?

#32. What is the function of a cell?

#33. What is the function of a switch?

#34. What is this component?

#35. What is this component?

#36. Is this statement true or false? As potential difference increases, the current across a component increases?

#37. What is this component?

#38. What is this component?

#39. What is the function of a diode?

#40. Are ammeters connected in series or in parallel?

#41. What is this component?

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