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Date: 19-12-2020
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Date: 15-10-2020
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Date: 5-10-2020
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POWER DISTRIBUTION IN PARALLEL CIRCUITS
When resistances are wired in parallel, they each consume power according to the same formula, P = I2R. However, the current is not the same in each resistance. An easier method to find the power Pn dissipated by resistor of value Rn is by using the formula Pn = E2/Rn, where E is the voltage of the supply. This voltage is the same across every resistor.
In a parallel circuit, the total power consumed is equal to the sum of the wattages dissipated by the individual resistances. This is, in fact, true for any dc circuit containing resistances. Power cannot come out of nowhere, nor can it vanish.
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