The stationary magnet of a DC motor is represented by the _____.
a. armature
b. field poles
c. commutator
d. rotor
b. field poles
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Plants in the ____ category are line-dominant
a. linear c. hanging b. columnar d. upright
The difference between the evaporator temperature and the suction line temperature at the coil outlet is:
a. superheat b. latent heat c. artificial heat d. extended heat
Select the abbreviation for a Dryseal pipe thread.
A. DPT B. NPTF C. NPT D. none of the above
A 220-V electric heater has two heating coils that can be switched such that either coil can be used independently or the two can be connected in series or parallel, for a total of four possible configurations. If the warmest setting corresponds to 2,000-W power dissipation and the coolest corresponds to 300 W, find the resistance of each coil.
Find: a) The resistance of each coil b) The power dissipation of each of the other two possible arrangements.