GCSE Physics – Potential difference 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 = VI
-I can rearrange P = VI
-I can use P = VI
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Question 1 of 20
1. Question
What is potential difference the same as?
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Question 2 of 20
2. Question
What is the equation for power?
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Question 3 of 20
3. Question
What is the symbol equation for power?
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Question 4 of 20
4. Question
What does P stand for in the equation for power?
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Question 5 of 20
5. Question
What does V stand for in the equation for power?
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Question 6 of 20
6. Question
What does I stand for in the equation for power?
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Question 7 of 20
7. Question
Rearrange the power equation to make voltage the subject.
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Question 8 of 20
8. Question
Rearrange the power equation to make voltage the subject.
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Question 9 of 20
9. Question
Rearrange the power equation to make current the subject.
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Question 10 of 20
10. Question
Rearrange the power equation to make current the subject.
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Question 11 of 20
11. Question
What is the unit for power?
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Question 12 of 20
12. Question
What is the unit for potential difference?
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Question 13 of 20
13. Question
What is the unit for current?
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Question 14 of 20
14. Question
Voltage of a component is 12 V and the current is 5 A, so what is the power?
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Question 15 of 20
15. Question
Voltage of a component is 6 V and the current is 3 A, so what is the power?
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Question 16 of 20
16. Question
Voltage of a component is 1200 V and the current is 0.2 A, so what is the power?
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Question 17 of 20
17. Question
Voltage of a component is 0.002 V and the current is 0.04 A, so what is the power?
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Question 18 of 20
18. Question
If power is 20 W and potential difference is 5 V, what is the current through the component?
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Question 19 of 20
19. Question
If power is 200 W and potential difference is 0.04 V, what is the current through the component?
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Question 20 of 20
20. Question
If power is 160 W and potential difference is 40 V, what is the current through the component?
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