Electronics And Communication Engineering By M Handa

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Electronics And Communication Engineering By M Handa

  • Electrical Engineering Objective Type

    44) A nichrome wire used as a heater coil has a resistance of 1ohm/m. for a heater of 1kw at 200v, the length required is 40 m. 45) Variable resistors are wire wound resistors. 46) Low resistance can be accurately measured by Kelvin Bridge. 47) A heating element of a hot plate on an electric cooking range draws 12 A from 240 v mains.

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