Electrical Engineering: Circuit theory MCQ
41. Question
A resistor and a capacitor are connected in series to a 10 V dc supply through a switch is closed at t = 0, and the capacitor voltage is found to cross ‘0’ voltage at t = 0.4τ (τ = time constant). The absolute value of % change required in the initial capacitor voltage if the zero crossing has to happen at t = 0.2τ is _____.
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42. Question
If the input x(t) and output y(t) of a system are releted as y(t) =max (0 ,x(t)), then the system will be
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43. Question
In the given circuit ,the value of capacitor C that makes current I=0 is ___μF
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44. Question
In the given circuit ,for maximum power to be delivered to RL , its value should be _____Ω
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45. Question
The input impedance Zin(s) ,for the network shown in
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