2. Created by Terri Street Copyright, 2000

3.  1,000,0001,000,000  500,000500,000  250,000250,000  125,000125,000  64,00064,000  32,00032,000  16,00016,000  8,0008,000  4,0004,000  2,0002,000  1,0001,000  500500  300300  200200  100100

4. Click to return to question, Cont-P to switch to the pen, cross out two incorrect answers, then Cont-A to switch back to pointer.

5. Click to return to the question and poll the class

6. Click on link to Ask Jeeves, or click on this oval to return to question and ask a friend

7.  B. Electrons B. Electrons  C. Atoms C. Atoms  A. Protons A. Protons  D. Neutrons D. Neutrons Electricity is the movement of charged particles, usually…..

8. Back to Board  B. Electrons

9.  A. Copper A. Copper  C. Wood C. Wood  B. Tin B. Tin  D. Graphite D. Graphite Which of the following is an insulator?

10. Back to Board C. Wood

11.  A. Switch A. Switch  C. Rheostat C. Rheostat  B. Bulb B. Bulb  D. Battery D. Battery This symbol represents a …

12. Back to Board B. Bulb

13.  D. coloured symbols D. coloured symbols  C. use pencil C. use pencil  B. 90° corners B. 90° corners  A. Straight lines A. Straight lines Which of the following is not a rule for drawing circuit diagrams?

14. Back to Board D. Coloured symbols

15.  A. Resistor A. Resistor  C. Bulb C. Bulb  D. Fuse D. Fuse  B. Variable resistor B. Variable resistor Rheostat is another name for a …

16. Back to Board B. Variable resistor

17.  A. Resistance A. Resistance  C. Current C. Current  B. Voltage B. Voltage  D. Power D. Power Flow of electrons is known as the...

18. Back to Board C. Current

19.  A. Current A. Current  C. Resistance C. Resistance  B. Voltage B. Voltage  D. Power D. Power Energy gained or lost is known as the …

20. Back to Board B. Voltage

21.  A. Current meter A. Current meter  C. Ammeter C. Ammeter  B. Voltmeter B. Voltmeter  D. Rheostat D. Rheostat The instrument used to measure current is called a…

22. Back to Board C. Ammeter

23.  A. Watt A. Watt  D. Amp D. Amp The unit of current is the…  C. Ohm C. Ohm  B. Volt B. Volt

24. Back to Board D. Amp

25. Voltage is calculated by… A. Voltage x current C. current/Resistance B. Resistance/current D. Resistance x current

26. Back to Board D. Resistance x current

27.  A. Battery lasts A. Battery lasts longer Which of the following is not an advantage of a parallel circuit?  C. Bulbs can work C. Bulbs can work independently  B. bulbs same B. bulbs same brightness  D. Bulbs work if D. Bulbs work if one blows

28. Back to Board A. Battery lasts longer

29.  B. the same in B. the same in Voltage in a parallel circuit is … all branches  A. different in A. different in  C. divided equally in C. divided equally in  D. shared between D. shared between

30. Back to Board B. The same in

31.  C. 4.5 volts C. 4.5 volts A 9v battery is connected in series to 2 bulbs, 1 bulb uses 4.5 units of energy. How much does the other bulb use?  A. 4.5 watts A. 4.5 watts  B. 9 volts B. 9 volts  D. 4.5 amps D. 4.5 amps

32. Back to Board C. 4.5 volts

33.  C. All the same C. All the same In a parallel circuit 2,4 and 6 amps flow in branch a,b and c respectively. Which branch has the brightest bulb?  A. branch a A. branch a  D. branch c D. branch c  B. branch b B. branch b

34. Back to Board C. All the same

35.  A. 12v bright A. 12v bright 2x 6v dimmer A 2 branch parallel circuit is built containing a 12v battery and 3 bulbs. What is the voltage and brightness of each bulb?  B. 12v bright B. 12v bright 2x 6v bright  D. 12v dim D. 12v dim 2x 6v bright  C. 3 x 12v bright C. 3 x 12v bright

36. A. 12v bright, 2x 6v dimmer

37. Sorry, try again!

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