Questions
Find the resistance of the portion of the circuit between A and B in the circuit shown in fig
Points A and P are connected by a copper wire of negligible resistance. Similarly, Points B and Q are also connected by a copper wire of negligible resistance
detailed solution
Correct option is B
The three resistances are connected in parallel, [fig]Their equivalent resistance R' is given by1R′=1R+1R+1R=3RR′=R/3Talk to our academic expert!
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Four wires of equal length and of resistance 10 each are connected in the form of a square. The equivalent resistance between two opposite corners of the square is
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