An electric motor has an effective resistance of 29.4 Ω and an inductive reactance of 42.6 Ω when working under load. The rms voltage across the alternating source is 442 V. Calculate the rms current.

The consumption of fossil fuels could be

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential

If a negatively charged particle is placed at rest in an electric potential field that increases in the positive x-direction, what will the particle do? a. accelerate in the positive x-direction b. remain at rest c. accelerate in the negative x-direction