Question

A lamp of 36W works on a battery of 4V. The correct fuse for this lamp in the circuit will be
A) 5A B) 10A C) 3A D) 73A

Answer 1

Answer:

It's important to select a bulb which matches what your battery can put out. ... Standard bulbs are designed to work with a voltage of around 120 V, ... Follow-Up #4: battery-powered CFL? Q:.

Answer 2

Answer:

9A

Explanation:

Formula for finding current(A) is Power (W) / voltage(V)

So;

Current = 36W / 4V

Current = 9A

As per my calculation, formula and your question the answer should be 9A. But I don't know what's wrong with the options.

At the end, I am so sorry I didn't wanted to confuse you. But it is what it is! Also, Please check the question.