Design a multi range ammeter to give the following ranges 100mA, 1A, 5A, and 50A. If d'Arsonval meter have internal resistance of 102 and fullscale current of 0.5 mA. (A) using direct method (B) using Indirect method

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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.