JEE Main & Advanced Physics Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर JEE PYQ-Current Electricity Charging and Discharging of Capacitors

  • question_answer
    The resistance of hot tungsten filament is about 10 times the cold resistance. What will be the resistance of 100 W and 200 V lamp, when not in use?                                       [AIEEE 2005]

    A) \[40\,\Omega \]

    B) \[20\,\Omega \]

    C) \[400\,\Omega \]

    D) \[200\,\Omega \]

    Correct Answer: A

    Solution :

    [a] As power
     


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