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Question:
Three resistors of 1 ohm , 2 ohm and 5 ohm are connected in parallel connection across a battery of 6V . Find the total resistance and main current ?
Answer:

The resistors are in parallel,So the resultant resistance is-

1/R = 1/R1+1/R2+1/R3

     =1/1+1/2+1/5

1/R =16/10

So, R=10/16 = 0.625 Ω

Now, using the formula V=IR

current, I= V/R     (Given, potential difference= 6 V)

I=6/0.625 = 9.6 Ampere.

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