Answered: The total electrical energy in (kWh)…

The total electrical energy in (kWh) required to supply (100 W) DC motor operated for (4 h) and electrical drill with (200 W) worked for (30 min) is equal to 1 kWh O 2 kWh O None of all O

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter9: Measuring Instruments

Section: Chapter Questions

Problem 1RQ: To what is the turning force of a dArsonval meter movement proportional?

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Concept explainers

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.

Question

The total electrical
energy in (kWh)
required to supply
(100 W) DC motor
operated for (4 h) and
electrical drill with
(200 W) worked for
(30 min) is equal to
1 kWh
2 kWh O
None of all O
0.5 kWh O

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