what will be the equivalent resistance between x and y
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Answer:
Explanation:
this question is based on wheatstone bridge as you can see ratio of resistance of both the hands are same i.e., 10/10 = 1 or 20/20 = 1
therefore current through 45ohm resistance will be 0 so it will not be used for calculation of effective resistance
10 and 20ohm are in series which make 10+20= 30ohm
further both 30ohm are in parallel with each other therefore
1/R = 1/30 = 1/30 = 1/15
SO EFFECTIVE RESISTANCE IS 15OHM