Physics question, require assistance.
determine the type of energy transfer when the motor of a fan is turned on.
a electrical energy in converted to mechanical energy
b electrical energy is converted to potential energy
c electrical energy is converted to heat and mechanical energy
d electrical energy is converted to wind energy
what evidence for the transformation of energy does the running fan produce? select all that apply.
a the blades of the fan are spinning.
b light is produced.
c an air flow is felt.
d sparks can be seen.
e the fan warms up.
what is true of the efficiency of this motor?
a it is more than 100% efficient.
b it is 100% efficient.
c it is less than 100% efficient.
d none of the above