Earth contains magnetic poles.
Answer the following statement true (T) or false (F)
True
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El cilindro de acetileno contiene en las partes inferior y superior tapones de seguridad diseñados para derretirse a _____ grados Fahrenheit.
a. 220 b. 260 c. 300 d. 330
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Which motor should be used for applications that require frequent starts without overheating the motor?
a. AC motor b. Shunt motor c. Squirrel cage induction motor d.Wound rotor induction motor
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Explain why the heat of the arc, which is much higher than the melting point of tungsten, does not actually melt the tungsten electrode.
What will be an ideal response?
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The ____ is more sensitive to light than any other device.
A. photo cell B. solar cell C. photodiode D. phototransistor
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