Question

plzz answer this its 3 ohm 4ohm 5 ohm and 3 volts

Answer 1

Here's your answer. Potential difference across 4 ohm will be 1 volt.

Answer 2

Here, V = 3 V
R1 = 3 ohm, R2= 4 ohm and R3 = 5 ohm.
so, total resistance of the circuit, R = 3+4+5 = 12 ohm.

So, Current in the circuit, I = V/R = 3/12 =1/4 A

So, potential difference across 4 ohm resistor = I×R2 = (1/4) ×4 = 1 V

Therefore, The potential difference across 4 ohm resistor is 1 V.