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Which component matches these symbols? | ||||||||||||||||||
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4. Which of these 4 circuits can be used to measure how the current varies with a change in voltage across a bulb? |
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Which components have the following characteristic graphs - showing how the current varies as the voltage is changed? | ||||||||||||||||||
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8.Which of these answers gives the correct way of connecting ammeters and voltmeters?
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A student is experimenting with identical bulbs and 6V cells. The bulb in this circuit below has a current of 2A passing through it when connected to a single 6V cell as shown.
What are the approximate currents in the following circuits using the same bulbs and cells as shown above? |
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12. Two resistors of resistance R are connected in parallel as shown. here. |
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The total resistance will be ...
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13-15: The table below shows measurements taken on a selection of resistors. What are the missing values?
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