you take two resistance 2R and 3R and connect them in parallel in an electric circuit. calculate the ratio of the electrical power consumed by 2R and 3R.
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The power ratio will be 3:2 .
Explanation:
When resistors are connected in parallel, they have equal voltage so the following formula will be applied to calculate power of each resistor :
P = V2/R
So,
P1 = V2/2R ……….. (1)
P2 = V2/3R ………… (2)
Dividing equation 1 and 2
P1/P2 = 3:2
Hence, the power ratio will be 3:2.
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