POWER ENGINEERING TECHNOLOGY (PET YR. 1): 4A ELECTROTECHNOLOGY & INSTRUMENTATION EXAM 100% CORRECT

POWER ENGINEERING TECHNOLOGY (PET YR. 1): 4A ELECTROTECHNOLOGY & INSTRUMENTATION EXAM 100% CORRECT The unit that refers to a flow of electrons past a given point, over a specific period of time, is the: a. ampere b. volt c. ohm d. watt a _______ is a unit of electromotive force. a. the ampere b. the ohm c. the watt d. the volt d A basic law of electricity is, unlike charge attract eachother and like charges: a. repel eachother b. hold eachother c. attract eachother d. neutralize eachother a A material that transfers electric charge is called: a. an insulator b. a conductor c. a circuit d. wire b Ohms law can be stated as: a. E= I x R b. R= I / E c. I= R / E d. bolts equals ohms divided by amperes a The basic unit of electrical power is the watt, which is the product of: a. volts x resistance b. volts x ohms c. volts x amperes d. ohms x amperes c When like poles of a magnet are placed together, they will: a. be attracted to each other b. generate an electromotive force c. repel eachother d. remain stationary c If a few turns of wire are wrapped around a core of soft iron and a current of electricity passed through the wire, you will have: a. a transformer b. an electro-magnet c. a commutator d. a generator b If a material provides resistance to magnetic flux, it is demonstrating: a. resistance b. reluctance c. impedance d. repulsion b The property that determines whether a material can be easily magnetized is called: a. conductivity b. fluctuation c. magnetism d. permeability d Rectification is the process of converting AS to _______