Final answer:
When two resistors with a resistance of 5 x 10^6 ohms each are connected in series, their total resistance is the sum of their individual resistances, resulting in a total resistance of 1 x 10^7 ohms.
Step-by-step explanation:
If two resistors each have a resistance of 5 x 10^6 ohms, and they are connected in series, the total resistance is the sum of the individual resistances. To find the total resistance in a series circuit, you simply add the resistance values of the individual resistors together.
Total resistance in series = R1 + R2
Since both resistors have the same resistance value of 5 x 10^6 ohms, the calculation would be:
Total resistance in series = 5 x 10^6 ohms + 5 x 10^6 ohms = 10 x 10^6 ohms or 1 x 10^7 ohms.
Therefore, the correct answer is d) 1 x 10^7 ohms.