What is the resistance of a 150 W bulb when it is operating in a circuit with a supply of 125 V?
A) 2.14 ? B) 104 ? C) 9375 ? D) 75 ?
B
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Which of the following statements is true regarding color temperature? Select all that apply.
A) A candle emits light of a lower color temperature than the north sky. B) The north sky color has a higher color temperature than a sunset. C) The color temperature of red light is higher than the color temperature of blue light.
Technician A says to avoid touching the electrical terminals of a component to reduce the chances of electrostatic discharge. Technician B says that as long as rubber soled shoes are worn, there is no danger of ESD damage. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Grounding is ___________ a. The insertion of a copper rod into the earth down to 8 feet. b. An electrical connection of all metal parts of a solar photovoltaic system to a system of copper conductors thatterminates at copper rods that are inserted into the earth
c. A safety circuit that helps protect the solar photovoltaic system from lightening strikes and short circuits. d. All the above are true.
A solid state device that allows electrical energy to flow through in only one direction is called a ____________________.
Fill in the blank(s) with the appropriate word(s).