To turn on an IGBT, a __________ voltage is applied to the gate.

A. negative
B. positive
C. either A or B


Answer: B

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Which of the following describes materials that do not transfer heat well?

a. insulators b. poor conductors of heat c. quick conductors of heat d. none of the above

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When drawing a PH diagram of an operating system, how is placement of the condenser and evaporator lines determined?

What will be an ideal response?

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The left-hand rule can be used to determine the amount of magnetomotive force

Indicate whether the statement is true or false

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Technician A says that Pascal’s law states that hydraulic pressure is greatest at the end of the smallest piston. Technician B says Pascal’s law states that pressure and a closed hydraulic circuit will be the same everywhere within that circuit. Who is correct?

A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B

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