Options: a. remain at constant brightness b. brighter c. dimmer **The answer is b, but I just want to clarify that the power of the ORIGINAL transformer (before the change) is less than the transformer with fewer primary loops. And also, clarify that the Power IN is still equal to power OUT in the modified transformer. The reason that the bulb gets brighter is that the power into the transformer is increased when the Nprimary loops are decreased in number? Thanks for the help!
Options: a. remain at constant brightness b. brighter c. dimmer **The answer is b, but I just want to clarify that the power of the ORIGINAL transformer (before the change) is less than the transformer with fewer primary loops. And also, clarify that the Power IN is still equal to power OUT in the modified transformer. The reason that the bulb gets brighter is that the power into the transformer is increased when the Nprimary loops are decreased in number? Thanks for the help!
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Question
Options:
a. remain at constant brightness
b. brighter
c. dimmer
**The answer is b, but I just want to clarify that the power of the ORIGINAL transformer (before the change) is less than the transformer with fewer primary loops. And also, clarify that the Power IN is still equal to power OUT in the modified transformer.
The reason that the bulb gets brighter is that the power into the transformer is increased when the Nprimary loops are decreased in number? Thanks for the help!
Transcribed Image Text:A light bulb is attached to a 120 V AC wall socket with a transformer, as shown. If the
number of turns in the primary (Np) is decreased while keeping the number of
secondary turns constant, the bulb will get...
Np
Ns
Bulb
120 V AC
60 Hz
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