Question

in the given circuit, voltage across 4ohm resistor is 6V. then , the voltage across 15 ohm resiator is​

Answer 1

firstly, we find current(I)

V=IR

OR

R=V/I

R=4

V=6

I=6/4

I=1.5amp

now,if R=15ohm

I=1.5amp

then V=?

V=1.5×15

V=22.5v