Question

A battery of 12V is connected to a series combination of resistors 3 ohm , 4 ohm , 5 ohm and 12 ohm . How much current wud flow thru de 12 ohm resistor?

Answer 1

The current through all the resistor will be same as they are connected in series .
therefore i=v/R

$i = \frac{12}{ 3 + 4 + 5 + 12} = 0.5 \: ampere$
hence 0.5 will flow to all the resistor

Answer 2

R = equivalent resistance .

R = ( 3 + 4 + 5 + 12 )ohms

They are in series .

So R = 24 ohms .

Now V = I R

V = 12 v .

I = ?

12 v = I × 24 ohms

= > I = 12 v / 24 ohms

= > I = 1/2 A

= > I = 0.5 A

The current 0.5 A will flow through all the resistors and so the answer will be 0.5 A

ANSWER:

0.5 A