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The electric heater will have power rated in Watts. The Amps it will draw depends on the voltage system you are using.

Can be calculated by formula I (Amps) = P / V

In the USA with 110V system a 2400W heater will draw 2400 Watts / 110 Volts = 21.8 Amps

In Australia with a 230 V system a 2400W heater will draw 2400 Watts / 230 Volts = 10.4 Amps

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13y ago
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9y ago

An electric car makes use of 4.6 amps. Its electric motor rating has a mechanical input power of 50 watts.

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Q: How many amperes use an electric heater?
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