write an activity to verify ohms law and hence to find the value of unknown resistance
write an activity to verify ohms law and hence to find the value of unknown resistance
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current passing at const. temp. through conducting wire is directly proportional to potential difference across the end of the wire...
.........I directly proportional to V
.........V is also proportional to I
.................V=RI
..............R... is ohm const. which is known as a resistance