GCSE Physics – Charge and current

Last updated: 01/06/2020

Learning Objectives

-I can define the terms charge and current
-I can recall the units needed for Q = It
-I can rearrange Q = It
-I can use Q = It

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  1. Current
  2. Review
  3. Answered
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  1. For electrical charge to flow through a circuit

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  2. What unit is current measured in?

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  3. What does Q mean in Q = It?

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  4. Within the equation for charge, what does I mean?

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  5. Within the equation for charge, what does t mean?

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  6. What is the formula for charge?

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  7. Rearrange Q = It for time

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  8. What is the formula for current?

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  9. A current of 30 A flows over 2 minutes. What charge has passed?

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  10. A current of 12 A flows over 1 hour. What charge has passed?

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  11. A current of 3 A flows over 5 seconds. What charge has passed?

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  12. A current of 11 A flows over 4.2 seconds. What charge has passed?

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  13. A current of 60A flows over 0.05 seconds. What charge has passed?

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  14. How long does it take 52 C of charge to flow when current is 5 A?

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  15. How long does it take 0.8 C of charge to flow when current is 0.004 A?

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  16. How long does it take 49000 C of charge to flow when current is 70 A?

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  17. How long does it take 49 C of charge to flow when current is 7 A?

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  18. If 36 C of charge passes in 6 seconds, what is the current?

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  19. If 81 C of charge passes in 0.9 seconds, what is the current?

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  20. If 2200 C of charge passes in 110 seconds, what is the current?

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  21. If 64 C of charge passes in 80 seconds, what is the current?

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