What categories do the following waveforms belong to?

In figure (a) and (b), what are the equivalent inductance L_AB , the equivalent capacitance C_AB and the equivalent resistance R_AB of the circuits, respectively?

Given the following parameters of an EV battery: battery capacity E = 150kWh, the final state of charge (SOC) SOC₁ =70%, charging power P_ch = 60kW, discharging power P_dis = 30kW, charging time t_ch = 1 hours, discharging time t_dis = 1.8 hours, charging efficiency η_ch = 90%, and discharging efficiency η_dis = 90%, what is the initial SOC (SOC₀) of the battery? (The related formulas are as follows)

Consider a three-phase, four-wire Y-connected circuit. If the line voltage of the power source is 440V and the loads are R_a = 44Ω, R_b = 22Ω, and R_c = 11Ω, respectively. Please calculate the line voltage and the three phases' total power P.

A voltage waveform is shown below, please find its RMS voltage value. Choose the value that is closest to the answer.

Which of the following is not the characteristic of wind turbines?

A thermal power plant has the following data:

Please give the loss of load probability (LOLP) under the following two scenarios:

The following figure shows a transformer.

Given that AC voltage source is 𝑉_𝑆1 = 3000 ∙ V, DC voltage source is 𝑉_𝑆2 = 2000 V, and 𝑅₁ = 𝑅₂ = 300Ω.

Calculate the peak value of 𝐼_𝑆 .

For the Boolean expressions:

the output Y is always 1 when

Which of the following logic gate will produce the same results as the following truth table with C and D as inputs, and Z as the output ?