5 equal resistors are connected in series to give a net resistance of 20 ohm calculate the effective resistance when 3 of them are connected in series with each other.
Please answer me fast !!
Please answer me fast !!
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Answer:
net resistance=20
no of resistors in series=5
therefore resistance in each resistor=20/5=4ohms
therefore 3 of them when connected in series we get
=3*4=12ohms
therefore the answer is 12ohms