## Charge Answers

## 1. A current of 12 A flows for 20 minutes into an electric cooker. How much charge has the cooker used?

## 14400 coulombs

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## 2. What are the units for charge?

## Coulombs

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## 3. A current of 3 A flows into a television set. How long would it take 1500 C of charge to flow through it?

## 500 Seconds

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## 4. What is the equation to calculate charge?

## Energy transfered / potential difference

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## 5. Protons are?

## C - Positive

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## 6. Neutrons are?

## A - Neutral

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## 7. Electrons are?

## A - Negative

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## 8. If a charge of 105C flows in 15s, calculate the current.

## 7 Amps

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## 9. If 18400 C of charge flows through an air conditioning unit every hour, what current does it draw?

## 5.1 Amps

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## 10. A current of 2 A flows for 30 seconds through a lamp.

How much charge has moved?

## 60 coulombs

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