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Ohm's Law

The potential...

Question

The potential difference between the terminals of an electric heater is 220 V and the current is 5A. What is the resistance of the heater?

A

22 ohm

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B

11 ohm

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C

44 ohm

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D

1100 ohm

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Solution

The correct option is C 44 ohm
Answer is C.
According to Ohm's law, V = IR. That is, R = V/I.
Here, V = 220 V and I = 5 A.
Therefore, R = 220/5 = 44 ohms.
Hence, the resistance of the heater is 44 ohms.

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