GCSE Physics – Resistance and power
Learning Objectives
I can describe how power in a circuit is related to the potential difference
I can recall the units needed for P = I^2R
I can rearrange P = I^2R
I can use P = I^2R
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Question 1 of 14
1. Question
What is the equation for power?
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Question 2 of 14
2. Question
What is the symbol equation for power?
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Question 3 of 14
3. Question
What does P stand for in the equation for power?
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Question 4 of 14
4. Question
What does I stand for in the equation for power?
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Question 5 of 14
5. Question
Voltage of a component is 6V and the current is 3A, so what is the power?
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Question 6 of 14
6. Question
What is the unit for power?
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Question 7 of 14
7. Question
What is the unit for current?
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Question 8 of 14
8. Question
What is the unit for resistance?
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Question 9 of 14
9. Question
What is the power if the current is 16 A and the resistance is 2 Î©?
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Question 10 of 14
10. Question
What is the power if the current is 3 A and the resistance is 0.34 Î©?
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Question 11 of 14
11. Question
What is the power if the current is 2 A and the resistance is 20 Î©?
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Question 12 of 14
12. Question
Power is 80 W and resistance is 20 Î©. What is the current through the component?
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Question 13 of 14
13. Question
Power is 100 W and resistance is 5 Î©. What is the current through the component?
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Question 14 of 14
14. Question
Power is 10 W and resistance is 40 Î©. What is the current through the component?
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