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    (a) A capacitor of 10F is charged from a 50V DC power via a resistor of 5MΩ
    connected in series with the capacitor. Calculate the following parameters:
    (i) the maximum value of voltage across the capacitor
    (ii) the time constant
    (iii) the value of current at the moment t=100s after applying the power
    (iv) the voltage drop across the capacitor at t=100s after applying the power

    (b) Repeat the above calculations in Q1a taking into account the capacitor leakage resistance of 10MΩ
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