How does a fuse protect a toaster?

A. When the current is too high, a resettable switch opens the circuit.

B. When the resistance is too high, a resettable switch opens the circuit.

C. When the resistance is too high, a metal strip in the fuse melts and opens the circuit.

D. When the current is too high, a metal strip in the fuse melts and opens the circuit.

Question

henryromero214 henryromero214

02-04-2018
Physics

contestada

How does a fuse protect a toaster?

A. When the current is too high, a resettable switch opens the circuit.

B. When the resistance is too high, a resettable switch opens the circuit.

C. When the resistance is too high, a metal strip in the fuse melts and opens the circuit.

D. When the current is too high, a metal strip in the fuse melts and opens the circuit.

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tiara143 tiara143 · Answer 1 · 2018-04-02T05:14:03+02:00

The correct option is (D). i.e.When the current is too high, a metal strip in the fuse melts and opens the circuit.

Explanation: The fuse contains a small piece of wire which has very less melting point. As there is huge current flow, the wire heats to the heavy current flow & melts & the circuit is broken.
Hence, it saves the device from the heavy current flow & the device is damage free. breaks the circuit if a fault in an appliance causes too much current flow.

slosoccergirl slosoccergirl · Answer 2 · 2021-02-08T17:57:19+01:00

slosoccergirl slosoccergirl

08-02-2021

Answer: D

Explanation:

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