Internal resistance Definition and 153 Threads

  1. A

    Why is the R resistance equal to the internal resistance

    The answer to the attachment is if the R resistance was equal to the internal resistance. How was this determined? Please explain this to me because i have no idea how they can solve this. Thanks
  2. J

    Internal Resistance of a Battery

    I am currently doing a lab trying to calculate internal resitance of a battery. Do I use the formula V=IR?
  3. J

    Internal Resistance in a Battery

    Hey I am confused as to the answer to this question; not sure exactly how to figure out what the answer is because it is not a constant resistance. Any help appreciated: The potential difference across the terminals of a battery is V_1 when there is a current of I_1 in the battery from the...