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20/07/2021 5:23 pm
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How will you connect three resistors of 2 Ω, 3 Ω and 5 Ω respectively so as to obtain a resultant resistance of 2.5 Ω? Draw the diagram to show the arrangement.
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20/07/2021 5:26 pm
Given: Three resistance of 2 ohms, 3 ohms, 5 ohms
Their resultant, R = 2.5 ohms
Resistance of first line = 2 + 3
= 5 ohms
\(\frac{1}{R}\) = \(\frac{1}{5}\)+\(\frac{1}{5}\)
On solving we get that
R = 2.5 ohms