You can only unlock the chapter using a special code that we will send you via the Viber app. Receiving a message is free of charge and with no obligations.
My phone number:
Get a code
In compliance with the law, persons under the age of 15 can enter their phone number only in the presence of a parent or guardian.
4-character code:
Check the received code
The page will be refreshed automatically in a few seconds.
There is a desktop computer and it is connected to a mains supply by a plug containing a fuse. The computer has a metal case. A fault occurs and a live wire touches the metal case. Explain how an earth wire and the fuse in the plug protect the user.
The detailed solution steps are locked. Click on the blue button to unlock them.
The earth wire provides a path for fault currents to safely dissipate into the ground, preventing electric shock to the user, while the fuse acts as a protective device, interrupting the circuit to prevent overheating and electrical hazards.
To view the solution, you need to log in.
You must confirm your username (email address) to view the solution.
To ensure the proper functioning of the website, OpenProf uses cookies that do not store personal data. By continuing to use the website, you agree to cookies. Tell me more »
