How much voltage (in terms of the power source voltage b V ) will the capacitor have when it has started at zero volts potential difference, it is connected to the power supply and resistor and one half the characteristic time has passed (i.e. t= T(tau)/2)?
How much voltage (in terms of the initial charge on the capacitor) will the capacitor have when it is connected to a resistor and one-half the characteristic time has passed (i.e. t= T(tau)/2)?

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