Question

A resistor has a resistance of 176 ohms. How many of these resistances shouldbe connected in parallel so that their combination draws a current of 5 A from a 220 V supply line:

answer me in 1 word ?
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Answer 1

Answer:

R=

I

V

=

5

220

=44Ω

If n number of R resistances are connected in parallel then their equivalent resistance becomes R

eq

=

n

R

where R=176ohms

Now according to the question,

n

R

=44

n=

44

176

=4

Answer 2

Explanation:

R=

I

V

=

5

220

=44Ω

If n number of R resistances are connected in parallel then their equivalent resistance becomes R

eq

=

n

R

where R=176ohms

Now according to the question,

n

R

=44

n=

44

176

=4

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