Company: SEDEMAC mcq
Difficulty: medium
Consider the hypothetical circuit below, formed by an infinite ladder of 1 mF and 2 mF capacitors. Suppose all capacitors are initially discharged and at time t = 0, the switch is turned ON (assuming a 12V supply). What is (roughly) the amount of charge that will pass through the 10 ohm resistor in a duration from t = 0 to t = 1 second? 0.012 C 0.024 C 0.036 C 0.048 C Suppose in the circuit below, the voltage of the supply U is updated with the intention to maintain the value across capacitor as y₀. To achieve this target, a Proportional regulator is used with the control law U = K × (y₀ - y), where y is the instantaneous voltage across the capacitor. What will be the steady state voltage value at node y? y₀ (K / (1 + K)) * y₀ (1 / (1 + K)) * y₀ K * y₀ Suppose in the circuit described in the previous question, a Proportional regulator is used. What will be the qualitative nature of the waveform across the capacitor? Oscillatory Exponentially decaying to steady state Constant zero Linea