The two electric baseboard heater units are placed in a room wired in series. If one resistance is 220 ohms and the other is 110 ohms, what is the total resistance for the room?
Fill in the blank(s) with the appropriate word(s).
330 ohms
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A five-wire actuator uses two wires to power the motor (power and ground) and three wires for ________.
A) Redundant control B) Direction control C) A feedback potentiometer D) Static electricity protection
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The total impedance equals the resistance of a resonant series RLC circuit
Indicate whether the statement is true or false
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The common symbol for vent pipes is a
A. continuous line B. dashed line C. long dash, short dash line D. slashed line
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_________________________ change ferrous (red) iron oxide to ferric (black/blue) iron oxide.
Fill in the blank(s) with the appropriate word(s).
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