Electrical Engineering - Parallel Circuits - Discussion

Discussion Forum : Parallel Circuits - General Questions (Q.No. 13)
13.
Four resistors of equal value are connected in parallel. If the total voltage is 15 V and the total resistance is 600 , the current through each parallel resistor is
25 mA
100 mA
6.25 mA
200 mA
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
7 comments Page 1 of 1.

Attitude said:   8 years ago
R/4=600.
R=2400.
I=15/2400.
I=6.25ma.
(1)

SHUBHAM said:   8 years ago
WE KNOW THAT V=IR.
I= V/R.
ACCORDING TO QUE. V=15v, R= 600.
I = 15/600= 0.025 A.
BIT THE CURRENT IS DIVIDING IN 4 PARALLEL CKT SO,
I in each ckt is = 0.025/4=0.00625 A ( OPTION NOT GIVEN),
SO 1 A= 1000ma.
0.00620A= 0.00625*1000= 6.25 ma in each circuit.
(1)

Coolbree said:   1 decade ago
V=IR, I=V/R=15/600=0.025
I(total)=I(r1)+I(r2)+I(r3)+I(r4)=4I ; (r1=r2=r3=r4)
I= I(total)/4= 0.025/4= 0.00625= 6.25e-3mA

Anand said:   1 decade ago
@Coolbree

Nice explanation.

Mani said:   9 years ago
I = v/r.
r = 600, v=15.
So, I =15/600 = 0.025.
I = 0.025/4,
I = 0.00625,
I = 6.25mA.

LAKSHMI said:   9 years ago
Thank you for explaining the answer @Mani & @Coolbree.

Shilpa said:   9 years ago
Why can't we do like this,

V = 15v.

Total R = 600 ohms; each Rs. = R*4 = 600*4 = 2000 ohms.

Current I = V/R.

I = 15/2000.

I = 7.5 mA.

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