Physics, 20.09.2020 16:01, hebibova2016
The output of a automobile alternator is typically about 14V D. C. The headlight circuit draws about 4 Amps of current. Using Ohm's Law (V = IR), the resistance of the headlight bulb can be calculated. Suppose your alternator quits working as you are driving home. The battery voltage now supplying energy to the headlight bulb drops to 12V D. C. Assume the bulb resistance R remains constant (it won’t, but that is another story).
Required:
How much current (in Amps) now flows through the bulb?
Answers: 3
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The output of a automobile alternator is typically about 14V D. C. The headlight circuit draws about...
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