You have an electrode that has a half cell potential of 0.38V. Its impedance is measured at different frequencies and a graph is obtained as shown in the following figure. Draw the equivalent circuit and give value to each element Imp [12] 5000 4000 3000 2000 1000 0 101 10 10³ 10' F [Hz]

A resistor of 20 Ohms and a capacitance of unknown value when connected in in parallel across a 100V, 50Hz supply, take a current of 6A. The combination is now connected across a 100v supply of unknown frequency and the current falls to 5.5A. What is the frequency?

Sketch output waveform the following CLIPPER circuits. Please show your solutions/analysis. 20 V 2V ldeal I ka -5 V (a)

An inductance coil consumes 500W of power at 10A and 110V and 60HZ. Determine the resistance and the inductance of the coil

Make a clamper circuit using 500 µF capacitor, silicon diode, and a 100 KΩ resistor connected to a 10 Vpeak sine wave. Draw the output waveform and indicate the amplitude and the time values supported by your solutions. Do these for both positive and negative clamper circuit. Show your circuits first before your solutions and waveforms.

A resistor and a capacitor are connected in series across a supply of 250 V. When the supply frequency is 50 Hz the current in the circuit is 5 A. When the supply frequency is 60 Hz, the current is 5.8 A. Find the value of the resistance.

Q/ Design a circuit to limit a 20 V rms sinusoidal voltage to a maximum positive amplitude of 10 V and a maximum negative amplitude of -5 V using a single 14 V dc voltage sour.

Problem Design a circuit to limit a 20 V rms sinusoidal voltage to a maximum positive amplitude of 10 V and a maximum negative amplitude of -5 V using a single 14 V dc voltage source.

For the circuit below assuming an ideal switch, preform transient analysis to predict the voltage across resistor, R2 and plot the results. The inductor will have zero current as initial condition. L1 0.005 2 U1 100mH R1 1k V1 20Vdc R2 100

A voltage of 200 V is applied to a series circuit consisting on a resistor, an inductor and a capacitor.The respective voltages across these components are 170, 150 and 100 V and the current is 4A. Findthe power factor of the inductor and of the circuit?