Question

two resistors are connected in series .The equivalent resistance is 100 ohm. If one resistor is 10 ohm calculate the second resistor.​

Answer 1

Answer:

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Answer 2

Answer:

90 ohms

Explanation:

Given:

• Equivalent resistance when connected in series = 100 ohms
• Resistance of one of the resistor = 10 ohms

To find:

• Resistance of second resistor

We know that when any two resistors are connected in series, equivalent resistance = $R1+R2$

Let the second resistor be equal to X

So, substituting the values, we get:

10+X=100Ω

X = 90 Ω

The second unknown resistor has a resistance of 90 ohms