In normal use, a current of 3.5A flows through a hair dryer. Choose a suitable fuse from the following: a) 3A b) 5A c) 10A d) 30A

Answer:

The correct option is b) 5A

Explanation:

In regular use, a hair dryer draws 3.5 A. 1 to 1.5 are considered safe. So, for 4.2 A, the 5A fuse is safe.