find value of resistance R
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100 volt across 100 ohm means its also carrying 1 A current. which means R is carrying 2–1 = 1 A. Now R = V/I = 100/1 = 100 Ohm.
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Which means:
20/10 A is flowing through 10 Ohm.
100/100 A is flowing through 100 Ohm.
Applying Kirchoff's law ( 2 - 1 ) A is flowing through R.
Implying R = 100 *1 Ohms.
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