If a 1 M? resistor, 0.47 M? resistor and 0.5 M? resistor are connected in parallel across an 18 V source, what is the total current if the 1 M? resistor opens?
A) 92.3 mA B) 74.3 mA C) 74.3 ?A D) 92.3 ?A
C
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When electrical energy is applied to a device that can convert it to another form of energy, such as an electric motor converting it to mechanical energy, it performs ____.
a. transfer b. kinetic energy c. energy d. work
What is the most common source of the electric energy used in the electric circuits of a heating, cooling, or refrigeration system?
What will be an ideal response?
____________________ specifically for strength is done only in heavy-duty or high-performance instances; it is a controlled process that uniformly compresses stressed areas of a part.
Fill in the blank(s) with the appropriate word(s).
Technician A checks for gasoline in the oil by holding a match to the dipstick. Technician B checks for water in the oil by dropping a small amount on the hot manifold to see if it bubbles. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician