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Define the term electrical noise. List types of noises.

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is efficiency of transformer is greater than electrical machine and why?

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What are the safety precautions when working on electrical equipments?

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What limits the electrical load?

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Description : Heat energy is converted into electrical energy a. solar cells b. thermocouples c. electric generators d. none

Last Answer : b. thermocouples

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All electrical appliances are connected in parallel to each other between the main line and neutral wire to get a. same current b. same current and potential difference c. different current but same potential difference d. different current and potential differences

Description : All electrical appliances are connected in parallel to each other between the main line and neutral wire to get a. same current b. same current and potential difference c. different current but same potential difference d. different current and potential differences

Last Answer : c. different current but same potential difference

An immersion heater of 400 watts kept on for 5 hours will consume electrical power of a. 2KWh b. 20KWh c. 6KWh d. 12KWh

Description : An immersion heater of 400 watts kept on for 5 hours will consume electrical power of a. 2KWh b. 20KWh c. 6KWh d. 12KWh

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