d.) Average power e.) f.) Power when t=1/480 sec, 1/240 sec, 1/90 sec. Draw voltage, current and power waves.

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Q: Find VTH, ZTH, and IN for the circuit shown below for R = 2 ohms. 30 j4 Ո 10/40° V 2/20° A go

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Q: Find the Fourier series of Triangular wave. T = 2

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Q: 1-6 Solve for ro- F I₁ Z₁ O 100 kohms O 40 kohms O 50 kohms O 2 Mohms 330 km2 To 12.7 ΚΩ Vcc HH hfe…

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Q: maximum value.

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Q: (A) Evaluate the Transfer Function (T.F), using block diagram reduction method.

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Photoconductive Cell

Photoconductive cells are light-sensitive resistors in which resistance is inversely proportionated to light intensity when illuminated. These devices consist of a thin single-crystal or polycrystalline film of composite semiconductor materials. Cadmium sulfide (CdS) is used to make the most commercially available photoconductive particles which are sensitive to light in the visible spectrum. Other less commonly used substances respond to infrared light, but not to the visible spectrum. Such substances are lead sulfide (PbS), lead selenide (PbSe), and lead telluride (PbTe), and so on.