Calculate the equivalent resistance between a and b
a) 60 ohm b) 15 ohm
c) 12 ohm
d) 48 ohm
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Resistances of resistance 5 ohm and 15 ohm are in series whose equivalent resistance is 20 and on the right side similarly 10 and 20 ohm resistances are also in series so the equivalent resistance is of 30. Now the new resistances of resistance are in parallel now equivalent resistance is 12ohm by addition rule of parallel resistance.
Explanation:
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