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The latch release in the toaster is held shut by an electromagnet.

In modern toasters this is achieved by driving the electromagnet with a timing circuit . The timing circuit stays live until a capacitor reaches maximum charge, and then as the current dies, the magnetic field dies and the electromagnet releases the toast carriage, which is returned by a spring to eject the toast.

In older toasters, the electromagnet current was released by the motion of a bimetallic strip breaking the current.

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15y ago

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