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Show how you would connect three resistors, each of resistance 6\ Ω, so that the combination has a resistance of
(i) 9\ Ω,
(ii) 4\ Ω.
R = 6
Case (i):
If two resistors are connected in parallel, then their equivalent resistance is
After connecting the third resistor, the equivalent resistance is .
Case (ii):
When two resistors are connected in series, then their equivalent resistance is given by
The equivalent resistance is
After connecting the third resistor, the equivalent resistance is Ω.