Electrical Engineering - Parallel Circuits - Discussion

Discussion Forum : Parallel Circuits - General Questions (Q.No. 20)
20.
Three 47 resistors are connected in parallel across a 110 volt source. The current drawn from the source is approximately
2.3 A
780 mA
47 mA
7.06 A
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
13 comments Page 2 of 2.

Rakesh said:   1 decade ago
Because we are taking 3 resistance of same value if the values will be diff. Then we so for normal method.

Devendra said:   1 decade ago
Why resitence is multiplid by 3 ?

Manju said:   1 decade ago
1/R=1/r1+1/r2+1/r3
1/R=1/47+1/47+1/47
1/R=1/15.6
R=15.6
I=V/R
I=110/15.6
I=7.06


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