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  1. An astable multivibrator circuit using IC 555 timer is shown below. Assume that the circuit is oscillating steadily

    The voltage Vc across capacitor varies between

  2. A.
    3 V to 5 V
    B.
    3 V to 6 V
    C.
    3.6 V to 6 V
    D.
    3.6 V to 5 V

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    Answer : Option B

    Explanation :

    Charging and discharging level of capacitor will be the voltage across it.

    This is equal to Vcc and Vcc.

    Thus 3V to 6V is the voltage VC across the capacitor.


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