A sample of pure Ge, has (2 mm) length, (1 mm) width, and (0.5 mm) thickness, the intrinsic resistivity is (2500 2 .m). Answer the following: a- What is the voltage required for a current of (3 mA) between the opposite (2x1 mm) ends. b- Repeat "1" for a current(1 mA) between the opposite (1x0.5 mm) ends. c- Repeat "1" for a current(4 mA) between the opposite (2x0.5 mm) ends. a)1875v; b)10000v; c)10000v b)1875v; a)10000v; c)10000v a)15000v; b)1875v; c)10000v a)10000v; b)1500v; c)10000v Other:

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A: PART (A) -  The circuit diagram is shown below,

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A:

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A: PART (A) -  The circuit diagram is shown below,

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A:

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A: The circuit is given ashere

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A:

Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.