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Electrical power is measured in WATTS, which is defined as JOULES PER SECOND.
The formula for electrical power is
Power = Voltage * Current
The question has provided us with the values for the power and the current, vis.
Power = 6Watt
Current = 0.05Amp
Our next step will be to substitute these values into the formula;
So, we get
6 = Voltage * 0.05
By cross multiplication, we get
Voltage = 6/0.05
Or, Voltage = 120
Hence, our final answer is 120V must be provided to the 6Watt LED to get a current of 0.05Amp

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Electrical power is measured in WATTS, which is defined as JOULES PER SECOND. The formula for electrical power is – Power = Voltage * Current The question has provided us with the values for the power and the current, vis. Power = 6Watt Current = 0.05Amp Our next step will be to substitute thes ...
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Anonymous
Very useful material for studying!

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