2. Simple Electric Circuits Click to start

3. Question 1 This circuit is…. A parallel circuit with both lamps OFF A parallel circuit with both lamps ON A series circuit with both lamps ON A series circuit with both lamps OFF

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5. Are both parallel with X brighter than Y Question 2 Circuits X and Y …. Are both parallel with Y brighter than X Are both series with X brighter than Y Are both series with Y brighter than X Circuit XCircuit Y

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7. Question 3 This circuit does not work because… The lamps are not connected correctly Two cells are not powerful enough The cells are facing each other There is a break in the circuit

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9. Question 4 This circuit does not work because.. There is a short circuit. The lamps are not connected correctly. The cell is not connected correctly. The circuit is not complete

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11. Question 5 When you compare X and Y… Y is brighter than X Both are the same brightness Neither circuit will work. X is brighter than Y Circuit XCircuit Y

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13. Question 6 In this circuit.. X is OFF Y is OFF X is ON Y is ON X is OFF Y is ON X is ON Y is OFF X Y

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15. Question 7 The lamp… Lights up very brightly. Does not light because the cells push against each other. Does not light because of a short circuit. Blows because there are two cells connected.

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17. Question 8 In this circuit…. All the lamps are equally bright. The top two lamps are brightest. The single lamp is OFF The single lamp is the brightest one.

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19. Question 9 When the switch is closed.. Both lamps come ON Both lamps stay ON Both lamps go OFF Both lamps stay OFF

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21. Question 10 In this circuit… A 2 = A 3 A 3 + A 2 = A 1 A 4 + A 1 = A 3 A 1 + A 2 = A 3 A3A3 A1A1 A2A2 A4A4 A All theare ammeters

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