Explain dc diode resistance and ac diode resistance in terms of definitions, formula, and analysis. Discuss the given terms: Avalance voltage; Zener breakdown voltage; Reverse saturation current Explain the diode characteristic curve given:

Explain AC and DC diode resistance alomg with their formulas and curves.

b. Calculate the following about the circuit in the figure (If silicon diodes are employed in the rectification);i. the peak value of the output voltage considering the drop across each diode, Vpk.ii. the average voltage, Vdc. iii. The current through the load resistor, IL.iv. The current diode, Id.v. The frequency of the output signal, Fout.vi. Calculate the efficiency of the full wave rectifier expressed in percentage. vii. Sketch a graph of the input and output voltage against time.

1. Determine the diode current (in Ampere) at 90°C for a silicon diode with reverse saturation current of 90 nanoAmpere and an applied forward bias of 0.5 volts. a. The value of k is (put values only) b. The temperature in Kelvin is (put values only, put up to 2 decimal places) c. The diode current (in Ampere) is : (put values only, put up to 6 decimal places)

Q4/: A full-wave bridge rectifier at (2:3) transformer with a [77 sin(2n x 100 x 10³t)] rms input signal has a load resistor of 3.3k2. Draw the rectifier circuit and: 1. Sketch and determine effective waveform voltage (VL-P) at the load. 2. Determine the required PIV rating of the diode. 3. What input frequency and output frequency ? 4. What is the de voltage available at the load? 5. Explain who could filtering output signal. 6. Draw circuit that give opposite out waveform. 7. Why connect circuit in this form.

6. Explain the reverse characteristic of PN junction diode in detail, also discuss which breakdown exist in reverse biased and why?.

What are the functions of diode.. explain properly step to step how it is used in circuits

Explain the symbols, working principles and usage areas of the diodes given below. (Zener diode: photo diode: led diode: opto coupler)

Explain briefly about Zener Diode. (operation as voltage regulator and as clippers)

Diode circuit...do it...