A UJT can be triggered into conduction by reverse biasing the PN junction.

Answer the following statement true (T) or false (F)


False

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You are placed in an unfamiliar environment, with many odd pieces of electrical equipment using non-standard plugs. You need to determine the voltage of a particular outlet. The information on the machine plugged into the outlet reveals that the machine uses 2.50 kW of power and draws a current of 20.8 amps. What is the voltage of the outlet?

Given: W?e = -2.50 kW = -2,500 W; I = 20.8 A What will be an ideal response?

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The following statements are all correct EXCEPT _________

A) Brake fluid should not be mixed with engine oil for disposal unless otherwise directed. B) Most brake fluid is made from polyglycol. C) Brake fluid may be recycled. D) Unused brake fluid is considered a hazardous waste.

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An induced current moves so that its magnetic field opposes the motion that induced the current. This principle is called ________

A) Ohm's law B) Watt's law C) Lenz's law D) Halderman's law

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In order to leak test a low-pressure chiller, the chiller pressure:

A) Must be increased to a positive pressure less than 10 psig. B) Should be increased by adding nitrogen. C) Must be reduced to a safe level, under 150 psig. D) Must be recovered and replaced with nitrogen.

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