OCR GCSE Circuits
Page 1
| Which component matches these symbols? | ||||||||||||||||||
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| 3. |  |
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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 each meter?
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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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The table below shows measurements taken on a selection of resistors. What are the missing values?
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