Answer: 6Ω
Step-by-step explanation:
Since the resistors are connected in series, the total resistance (Rtotal) of the circuit is the sum of each resistance.
i.e Rtotal = R1 + R2
R1 = 2Ω
R2 = 4Ω
Rtotal = ?
Rtotal = 2Ω + 4Ω
Rtotal = 6Ω
Thus, the total resistance of the circuit is 6Ω