A small motor draws a current of 175 a from a 1200 v line
A small motor draws a current of 1.75 A from a 120.0 V line. It costs $35.81 to operate the motor for 4.00 hrs at $0.0600 /kWh.
a) What is the power output of the motor?
b) What is the efficiency of the motor?
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A sphere has a radius d and contains a non-uniform charge density of Pv=Po(1-r/d) C/m^3. (a). What is the enclosed Charge for r<d (b). What is the enclosed charge for r>d (c). What is the electric field for r<d (inside the sphere)
A small motor draws a current of 1.75 A from a 120.0 V line. It costs $35.81 to operate the motor for 4.00 hrs at $0.0600 /kWh, What is the power output of the motor
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