Applying an ac voltage to an electromagnet's coil will produce a ________

A) changing magnetic field B) steady magnet field
C) north magnetic field D) south magnetic field


A

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____ occurs when the switch is open resulting in the input to the voltage-sensing circuit of the control module being susceptible to electrical noise that may cause the control module to misread the switch state.

A. Pull-up circuiting B. Pull-down circuiting C. Floating D. Multiplex switching

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If a parallel circuit is made up of four paths, each of which has a resistance of 20 ohms, the total resistance will be equal to __________ ohms.

A. 80 B. 40 C. 10 D. 5

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Which pipe weight is recommended for hot water heating, drainage, waste or vent?

Fill in the blank(s) with the appropriate word(s).

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The __________ feedback loop of a vector drive controls the relative position between the stator flux and rotor position.

A. speed B. velocity C. current D. position

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