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What is the equivalent resistance of two resistors of 10 ohms and 20 ohms connec
What is the equivalent resistance of two resistors of 10 ohms and 20 ohms connected in series?
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Practice Questions
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Q1
What is the equivalent resistance of two resistors of 10 ohms and 20 ohms connected in series?
30 ohms
20 ohms
10 ohms
5 ohms
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In series, the equivalent resistance R_eq = R1 + R2 = 10 ohms + 20 ohms = 30 ohms.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the equivalent resistance of two resistors of 10 ohms and 20 ohms connected in series?
Solution:
In series, the equivalent resistance R_eq = R1 + R2 = 10 ohms + 20 ohms = 30 ohms.
Steps: 6
Show Steps
Step 1: Identify the resistors. We have two resistors: one is 10 ohms (R1) and the other is 20 ohms (R2).
Step 2: Understand that when resistors are connected in series, you add their resistances together.
Step 3: Write the formula for equivalent resistance in series: R_eq = R1 + R2.
Step 4: Substitute the values of R1 and R2 into the formula: R_eq = 10 ohms + 20 ohms.
Step 5: Perform the addition: 10 ohms + 20 ohms = 30 ohms.
Step 6: Conclude that the equivalent resistance of the two resistors in series is 30 ohms.
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