Question

An electric iron of 1kw volt is o perated at 220v fibd which of tge followig fuse is rated at 1a 3a 5a

Answer 1

Answer:

5A

Explanation:

From relation

I=P/v

I=1000/220

I=4.54

thus a minimum of 5A fuse will be required for its proper working because any fuse other than 5A will melt in normal working of iron