# How does an electromagnet work in a toaster?

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The electromagnet attracts the piece of metal on the handle, holding the bread in the toaster. The simple circuit acts as a timer. A capacitor charges through a resistor, and when it reaches a certain voltage it cuts off the power to the electromagnet. The spring immediately pulls the two slices of bread up.

## How does a toaster turn electricity into heat?

Electricity provides the energy that the toaster needs. When electric current flows through the coils of wire inside the toaster, they become so hot that they glow red. These glowing red wires are called heating elements.

## How does a bimetallic strip work in a toaster?

A bimetallic strip positioned close to the toast heats up along with the toast and bends as it does so, due to the different expansion coefficients of the two metals it’s made of. When it reaches a certain temperature it closes an electrical contact, energising a small electromagnet which releases the catch.

## How do timers on toasters work?

Most modern toasters use a circuit as a timer. … In this toaster, the dial changes the resistance, which changes the rate at which the capacitor charges, and this controls how long the timer is set.

## Are there electromagnets in toasters?

A simple circuit made up of transistors, resistors and capacitors turns on and supplies power to the electromagnet. The electromagnet attracts the piece of metal on the handle, holding the bread in the toaster. … The spring immediately pulls the two slices of bread up.

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## How does a toaster heating element work?

A toaster uses infrared radiation to heat a piece of bread (see How Thermoses Work for information on infrared radiation). When you put your bread in and see the coils glow red, the coils are producing infrared radiation. The radiation gently dries and chars the surface of the bread.

## What type of energy transformations occur in a toaster?

When the toaster is plugged in, it uses electrical energy. Electrical energy is transformed into heat energy to toast your bread. When the toaster is plugged in, it uses electrical energy. Electrical energy is transformed into heat energy to toast your bread.