Question

our sister has a resistance of 176 ohms how many of these religion should be corrected in parallel so that their combination draws a current of 5 ampere from a 220 volt supply line ​

Answer 1

Answer:

Here you go!

Rp (Net resistance) = V/I = 220/5 = 44 ohms

Thus, we need a total resistance of 44 ohms.

In parallel combination:

1/Rp = 1/R1 + 1/R2 + .........

Thus,

1/Rp = 1/176 x y

1/44 = 1/176 x y

y = 176/44

y = 4

Therefore, we will need 4 such resistors.

Hope it helps.

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