Two conductors A and B of resistances 5 ohm and 10 ohm respectively can be arranged in parallel and later in series. In each arrangement, the total voltage applied across it is 20 volts.State in which arrangement will the voltage across A and B be the same and in which case the current flowing A and B the same? Also find the net resistance for each arrangement.
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The voltage across A and B is same when they are connected in parallel and the current is same when they are connected in series....for series arrangement the net resistance is 10+5=15 ohm and for the parallel one it is (10×5)/(10+5)=50/15=3.33 ohm
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(ii) The voltage across A and B will be the same in a parallel arrangement.
(iii) Current in A and B will be same in a series arrangement.
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