Home » Test Prep » ASVAB Section 5: Electronic Information » If you operate an incandescent light bulb at less than its rated voltage __________.
If you operate an incandescent light bulb at less than its rated voltage __________.
A. the bulb will burn brighter and last longer.
B. the bulb will burn dimmer and last longer.
C. the bulb will burn brighter but won’t last as long.
D. the bulb will burn dimmer but won’t last as long.
Correct Answer: B
Explanation/Reference:
The bulb will burn dimmer because its full potential isn’t used; it will last longer for the same reason.
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