Circuit analysis

Refer to the attached circuit: Assume ideal voltage source. Find a) Vbg; b)I2

circuit analysis

Consider the attached circuit. The sinusoidal source voltage is Vs(t)=20sin(2 pi t). The diode is ideal. What would the correct sketch of the source voltage and load voltage look like as a function of time?

Circuit Analysis

An electric load operates at 240 volts. The load absorbs an average power of 8Kw at a lagging power factor of 0.8. a) Calculate the complex power of the load b) Calculate the impedance of the load

Logic circuit

Find the expression for the output, C, of the logic ciruit shown.

circuit analysis

A 5.1K resistor is connected between the cathode of a 6.2V zener diode and a 12V power supply. The anode of the diode is connected to 6V. Approximately how much current will flow through the diode?

circuit analysis

Consider the following circuit. As shown, lossy current source drives 1Kohm load by means of a voltage divider circuit. It is desired to have 5mA flow through the load. R1 and R2 can be assigned any valu. Part One: What is the smallest value that R2 can have. Part Two: What is the largest value that R1 can have?

Logic circuit

Consider the attached circuit. Assume that the three states are initially at the 0 logic level. Which of the given tables is true for the function performed by this circuit? The leftmost column represents the clock pulses. initially there is no pulse (1st row). As the first clock pulse arrives the resulting change of state ...continues

Transistors15

A saturated npn transistor has a base to emitter applied voltage of 0.6V. The collector to emitter voltage is 0.2V. The collector current is 12mA. The beta value of the transistor is 30. What is the emitter current?

circuit analysis

Refer to the following circuit. Assume that the switch has been open for a long time, and that it closes at time=0sec. The switch remains closed therafter. Solve for Vx(t) and ix(t) as shown on the circuit diagram.

circuit analysis

A fully loaded 440V, three phase motor draws 12.4A at 86% power factor (pf). Its speed is 1730 rpm and its torque output to a mechanical load is 29.1 lb-ft*1.356=39.5Nm. What is the output HP and the efficiency?