12th Class Physics Alternating Current / प्रत्यावर्ती धारा Question Bank Case Based (MCQs) - Alternating Current

  • question_answer
    Resonance may occur in:

    A) RL circuit.                                 

    B) RC circuit.

    C) LC circuit.                                 

    D) circuit having resistor only.

    Correct Answer: C

    Solution :

    Option [c] is correct. Explanation: A simple radio receiver simple crystal set with a coil and capacitor combination. Desired frequency is tuned by tuning the coil-capacitor combination. Tuning means to make capacitive reactance  \[({{X}_{\operatorname{C}}})\] equal to the inductive reactance \[({{X}_{\operatorname{L}}})\], so that resonance occurs.


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