- #1

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## Homework Statement

A toaster with 18Ω is conducted to a 220 volt source. What is the power consumed by the toaster.

## Homework Equations

P=IV

## The Attempt at a Solution

P=18(220)

P= 3,960

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- Thread starter tDexx
- Start date

- #1

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A toaster with 18Ω is conducted to a 220 volt source. What is the power consumed by the toaster.

P=IV

P=18(220)

P= 3,960

- #2

PeterO

Homework Helper

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- 48

You have multiplied the resistance by the voltage, the formula you stated was for current by voltage.## Homework Statement

A toaster with 18Ω is conducted to a 220 volt source. What is the power consumed by the toaster.

## Homework Equations

P=IV

## The Attempt at a Solution

P=18(220)

P= 3,960

You need to incorporate Ohms law.

- #3

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P = IV is a good equation to use, but here you aren't given the current; you're given the resistance of the toaster. Try using Ohm's law to rearrange the equation for power and find an equation whose knowns are already given.

- #4

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What do you mean?

- #5

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