Question

Find the current I passing through the given circuit with the help of equivalent circuit shown

Answer 1

r2 and r3 are in parallel

so

Req=(20*30) /20+30

=600/50

=12

Now Req is in series with r1

Therefore ,

total resistance is 50 ohm

V=IR

25=50*I

I=1/2 Ampere

OR

0.5 Ampere

:-)

Answer 2

$\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}$

⭐Actually Welcome to the concept of the Current Electricity

⭐Basically when we move towards the Ohm's Law, we get as,

⭐V = I * Req

⭐Here, Req = equivalent Resistance,

❄So we here find the Equivalent Resistance by the parallel formula as

⭐Req = R1. R2/R1 + R2

❄so we get as,