2. Sample Papers
  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main Sample Paper-39

  • question_answer
    In the experiment to determine the resistance of a given wire using Ohm's law, the function of rheostat is

    A)  to adjust the current

    B)  to adjust the length of the wire

    C)  to adjust the time for which current is let to pass

    D)  both [a] and [c]

    Correct Answer: A

    Solution :

     The rheostat is used to adjust the current and its minimum value is taken.


You need to login to perform this action.
You will be redirected in 3 sec spinner