iVenki
Member level 3
Here is the sentence that I read in the book.
For a generator of emf E volts (rms) and internal resistance R, the available power is E^2/4R.
But I thought the power of an ac source =E^2/R.
How did you get that 4 in the denominator?
Thanks in advance.:wink:
For a generator of emf E volts (rms) and internal resistance R, the available power is E^2/4R.
But I thought the power of an ac source =E^2/R.
How did you get that 4 in the denominator?
Thanks in advance.:wink:
Last edited: