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Question

# When connected to the 220V mains supply, the current in a toaster, a kettle, a lamp and a fan is 5.2A, 9.4A, 0.5A and 2.6A respectively. Which appliance has the greatest electrical resistance?

A
toaster
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B
kettlein
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C
lamp
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D
fan
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Solution

## The correct option is C lampAnswer is C.The electrical resistance of an electrical conductor is the opposition to the passage of an electric current through that conductor. Therefore, a highly resistant body will allow only lesser amount of current to pass through it.In this case, the current in a toaster, a kettle, a lamp and a fan is 5.2 A, 9.4 A, 0.5 A and 2.6 A respectively. So, the electrical appliance with the greatest resistance is the lamp as it allows only 0.5 A of current through it.

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