Question

Three resistors of 5 ohm ,3ohms ,7 ohm are connected in series across a battery of potential difference 3 v.Find the current flowing through 3 ohm,7 ohm resistor.

plz answer !!

Answer 1

I = V/R
I = 3 / (5 + 3 + 7)
I = 3/15
I = 0.2 A

Current flowing through 3ohm and 7ohm resistor is same i.e 0.2A.
For series arrangement current is same through all resistors.

Answer 2

hello there!!!!

Case -1

Resistors :-

R1 = 5 ohm. R2 = 3 ohm. R3 = 7 ohm

Potential difference , V = 3v
As we know, I = V/ R
I = 3 / ( 5 + 3 + 7 )
I = 3/15 = 1/5 = 0. 2 A



Case 2

Resistors .

R1 = 3 ohm. R2 = 7ohm

V = 3v

I = V / R
3/ 3+ 7
3 / 10 = 0.3 A


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