If two resistors of 5Ω and 10Ω are connected in series, what is the total resist

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Question: If two resistors of 5Ω and 10Ω are connected in series, what is the total resistance? (2021)

Options:

Correct Answer: 15Ω

Exam Year: 2021

Solution:

In series, R_total = R1 + R2 = 5Ω + 10Ω = 15Ω.

If two resistors of 5Ω and 10Ω are connected in series, what is the total resistance? (2021)

If two resistors of 5Ω and 10Ω are connected in series, what is the total resistance? (2021)

Step 1: Identify the resistors. We have two resistors: one is 5 ohms (Ω) and the other is 10 ohms (Ω).
Step 2: Understand that when resistors are connected in series, the total resistance is the sum of the individual resistances.
Step 3: Write down the formula for total resistance in series: R_total = R1 + R2.
Step 4: Substitute the values of the resistors into the formula: R_total = 5Ω + 10Ω.
Step 5: Perform the addition: 5Ω + 10Ω = 15Ω.
Step 6: Conclude that the total resistance of the two resistors in series is 15 ohms (Ω).

Series Resistance Calculation – In a series circuit, the total resistance is the sum of the individual resistances.