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Q: What is formula for calculating power factor?
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What is the formula for calculating power if you are given magnetic field?

The formula for calculating power if you are given a magnetic field is sub 43


What is the formula for calculating power in words?

Power is energy divided by time, P=E/t.


When calculating power you should use the formula P divided by . IN this formula P stands for power stands for work and for time.?

You divide work by time.


What is power equals work divided by time?

The physics formula for calculating rate of energy conversion.


What is the formula for calculating the full current load of a 400 watt light?

Assuming an incandescent bulb and a 120 volt supply the formula is Watts = Volts x Amps x Power Factor where PF = 1 for resistive load. Amps = 400 / 120.


What is LPF?

LPF is Low power factor, which is used to calculate overall power in VA (voltamps) kind of like calculating overall power in watts.


Power factor formula?

Power factor is defined as the ratio of real power over total power. Total power is the vector sum of real and reactive power.


Formula for calculating the area of sphere?

Formula for calculating the area of sphere is : 4 * pi * r * r


Which of the following is the correct formula for calculating power?

It isn't clear what you mean by "the following". Power is energy divided by time - the rate at which energy is converted or transferred.


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What is power factor significance in calculating the AC power?

Power Factor is one of most significant parameter in calculating AC Power. As we know it is cosine of angle between AC Voltage and Current it comes in picture while calculating power in AC circuits Power In AC (P) = Voltage (V) X Current (V) X Power Factor Let us take an example of Power with Power factor and without power factor for same circuit. Let Us assume V = 125 Volts I = 1 Amp Power Factor = 1 Then P = 125X1X1= 125 Watts But for any circuit when Power factor is below 1, to execute same power, Circuit has to draw more current. for example P = 125X 1.25 X 0.8 = 125 Watts In first example power factor of the circuit was unity = 1 and in that condition current of the circuit was 1 amp whereas in second example power factor of the circuit is 0.8 due to which current of the circuit increases to 1.25 amp to execute the same power. Now due to increase in current of the circuit many factors are affected like heat loss, Conductor's specification , Class of insulation etc. Thus it can be concluded after going through above explanation that power factor play a significant role in AC power calculation as well as in actual practices.


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