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If a 5Ω resistor is connected in parallel with a 10Ω resistor, what is the equiv
If a 5Ω resistor is connected in parallel with a 10Ω resistor, what is the equivalent resistance?
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Practice Questions
1 question
Q1
If a 5Ω resistor is connected in parallel with a 10Ω resistor, what is the equivalent resistance?
3.33Ω
5Ω
7.5Ω
15Ω
Show Solution
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R_eq = 1/(1/5 + 1/10) = 3.33Ω.
Questions & Step-by-step Solutions
1 item
Q
Q: If a 5Ω resistor is connected in parallel with a 10Ω resistor, what is the equivalent resistance?
Solution:
R_eq = 1/(1/5 + 1/10) = 3.33Ω.
Steps: 7
Show Steps
Step 1: Identify the resistors in parallel. We have a 5Ω resistor and a 10Ω resistor.
Step 2: Use the formula for equivalent resistance (R_eq) for resistors in parallel: R_eq = 1 / (1/R1 + 1/R2).
Step 3: Substitute the values into the formula: R_eq = 1 / (1/5 + 1/10).
Step 4: Calculate 1/5, which is 0.2, and 1/10, which is 0.1.
Step 5: Add the two results: 0.2 + 0.1 = 0.3.
Step 6: Take the reciprocal of 0.3 to find R_eq: R_eq = 1 / 0.3.
Step 7: Calculate 1 / 0.3, which equals approximately 3.33Ω.
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