Asked by Claire
The amount of energy dissipated by a 100-W bulb in a common parallel circuit ____________________.
a. All of these.
b. None of these.
c. is normally 100 joules per second.
depends on the voltage supplied to the lamp.
d. depends on how long the bulb is lit.
a. All of these.
b. None of these.
c. is normally 100 joules per second.
depends on the voltage supplied to the lamp.
d. depends on how long the bulb is lit.
Answers
Answered by
Damon
It is 100 Joules per second or watts if at specified voltage.
Since it is 100 joules per second, the number of joules dissipated is proportional to the number of seconds it is on.
If the voltage is reduced ("brownout"), it will not run at 100 Watts or Joules per second and less energy will be dissipated per unit time.
Since it is 100 joules per second, the number of joules dissipated is proportional to the number of seconds it is on.
If the voltage is reduced ("brownout"), it will not run at 100 Watts or Joules per second and less energy will be dissipated per unit time.
Answered by
drwls
c and d. I can't say "all of these" because b is wrong. It depends upon what is meant by "these".
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