00:01
Draw the circuits so this is the voltage v1 this is resistance r1 and this is connected to another resistance this is r2 resistance here the battery whose voltage is v2 and this is connected to another resistance this is r3 resistance now this is r4 resistance there is another battery this is and this is connected to this.
00:42
So the current is flowing, this is i1 current, this is i2 current, and this is i3 current.
00:51
So it means in this circuit the current is i2, the current draw from v1 voltage is i1 current.
01:03
This is i3 and this is i3.
01:08
So you can see this is the junction point where the current is divided.
01:11
So we are applying here using kchof current kcl current rule.
01:19
So the i3 is equal to i1 plus i2.
01:25
This is our first equation.
01:27
Now we are applied kch of voltage rule.
01:32
So the two loops are formed.
01:35
So this is loop one and this is loop second.
01:39
This is first loop and this is second loop.
01:42
So right here loop 1.
01:46
So let's find out the equation...