Question

An electric geyser has the ratings 2000 W,220 V marked on it. What should be the minimum rating, in whole
number of a fuse wire, that may be required for safe use with this geyser?

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Answer 1

Answer:

Explanation:

Solution,

Here, we have

Power, P = 2000 W

Potential difference, V = 220 V

To Find,

Current, I = ?

According to the formula,

We know that

P = VI

where I is current.

P is power and,

V is potential difference.

Here, we have

P = VI

I = P/V

So, putting all the values, we get

I = P/V

⇒ I = 2000/220

⇒ I = 9.1 A.

Hence, the minimum rating in fuse is 9.14 A.

Answer 2

Answer:

An electric geyser has the ratings 2000 W, 220 V marked on it. What should be the minimum rating, in whole number of a fuse wire, that may be required for safe use with this geyser? where I is the amount of current flowing. Hence, the minimum rating of fuse wire should be 10 A for safe use with the geyser

Explanation:

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