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We have to calculate the value of Power of an electric DC motor IN WATTS made...

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Physics

We have to calculate the value of Power of an electric DC motorIN WATTS made from scratch. The only known values that we have are:The Voltage (V) which is 9V and the current (I) that we are usingwhich is 3 A, also the value of \"n\" which is n= 90.16 m (the numberof turns of the wire used in the motor)

I already asked here for this problem and someone answeredthis:

Voltage = 9 V, current = 3 A, number of turns = n = 90.16

Power of motor = n*V*I = 90.16*9*3=2434.32 Watt

But I don’t think this is correct since the motor has power inand power out. Can someone else help? Thank you!

Answer & Explanation Solved by verified expert
4.4 Ratings (828 Votes)
Helloyou are absolutely right in the fact that there are two types ofpower while considering a DC motorPin and Poutwhile efficiency can be calculated as The formula to calculate Power    See Answer
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