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
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
Which pipe weight is recommended for hot water heating, drainage, waste or vent?
Fill in the blank(s) with the appropriate word(s).
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