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What is the reciprocal of resistance?
conductsnce
How much is 300 mho?
The mho is an obsolete unit of measurement for conductance, which has been replaced by the siemens(symbol: S), in SI. Conductance is the reciprocal of resistance, so 300 S, is exactly the same as 1/300, or 3.33 milliohms.
What is metric unit of resistance?
It is the ohm.
What is the equation for the length and resistance of a wire?
R = (density)(Length)/(Area) Unit of resistance is Ohms.
How is the total current in a parallel circuit worked out?
You add up the currents in each branch. The current in each branch is just (voltage acrossd the parallel circuit)/(resistance of that branch) . ==================================== If you'd rather do it the more elegant way, then . . . -- Write down the reciprocal of the resistance of each branch. -- Add up the reciprocals. -- Take the reciprocal of the sum. The number you have now is the 'effective' resistance of the parallel circuit ... the single resistance that it looks like electrically. -- The total current through the parallel circuit is (voltage acrossd the parallel circuit)/(effective resistace of the parallel circuit) .
