What occurs when a voltmeter becomes a load to the circuit (draws current from the circuit)?
A. Erroneous results
B. Reduced errors
C. Full deflection of current
D. Infinite resistance
A
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Indicate whether the statement is true or false
Explain what symptoms would be observed if the inlet strainer of a thermostatic expansion valve becomes clogged.
What will be an ideal response?
The gas line should include:
A) A stop valve and a drip leg. B) A stop valve. C) A gas filter and a drip leg. D) A flexible connector and a stop valve.
Alexander von Humboldt was the first to notice that:
A. vegetation was distinctly different all around the globe. B. ocean currents brought oxygen to ocean plants. C. similar vegetation grew in areas with similar climate around the globe. D. tectonic plates caused the volcanoes that brought plant nutrients from the earth's core to the surface.