Question

When a 12 Ω battery is connected across an resistor of resistance R¹ = 15 Ω then calculate: (a) The electrical resistance connected in series. (b) The current through the circuit in series. (c) The electrical resistance connected in parallel. (d) The current through the circuit in parallel.

Answer 1

I'd like to plug my solution into your equation.  

Answer 2

Answer:

b option same current flowing through them when connected in series