Which of the following provides high voltage across the lamp’s electrodes at startup, causing them to emit electrons?
a. Instant-start ballast
b. Preheat ballast
c. Rapid-start ballast
d. Late-start ballast
a. Instant-start ballast
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Explain why a reduction in base load in a home’s power use will have a more significant impact on power costs than a similar-sized reduction in peak demand.
What will be an ideal response?
Which of the following is true of digital meters?
a. They are more accurate than analog meters. b. They are faster than analog meters. c. They are easier to connect to the circuit than analog meters. d. They are easier to read than analog meter
Determine the resultant vector in standard position for the following vectors and express the magnitude to 3 significant digits and the angle to the nearest tenth degree. 
= 151.5 ft/s at 19.6°, 
= 207 ft/s at 243.0°
Fill in the blank(s) with the appropriate word(s).
A series circuit has three resistances: 10, 2, and 5 ohms. Circuit voltage is 14.5 volts. What is the voltage drop across the 10 ohm resistance?
Fill in the blank(s) with the appropriate word(s).