# Diodes and their applications

### Explanation of question 14

An IC voltage regulator has short-circuit protection. This means that it

1. should be operated with a permanently short-circuited input
2. should be operated with a permanently short-circuited output
3. is protected against a short-circuited input
4. is protected against a short-circuited output

The answer is :- 4 A regulator incorporating short-circuit protection will protect against an abnormally high load current or short-circuit, connected across its output.

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