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प्रश्न
S.I. unit and commercial unit of electrical energy are same.
पर्याय
True
False
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उत्तर
False.
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संबंधित प्रश्न
All electrical appliances in a household circuit work at the same voltage.
From where does the electricity come to our home ?
What is an electric meter? Where is it fixed in our house?
For which unit do we pay our electricity bill?
The diagram below in figure shows the reading on the dials of a meter. State what is its reading.
Name the unit in which you pay the cost of your electricity bill. How is it related to joule?
What is an electric fuse? State its purpose in the household electrical circuit.
Figure shows two ways of connecting the three bulbs A, B and C to a battery. Name the two arrangements. Which of them do you prefer to use in a household circuit? Give a reason to support your answer.
Two lamps, one rated 220 V, 50 W and the other rated 220 V, 100 W, are connected in series with mains of 220 V. Explain why does the 50 W lamp consume more power.
An electrical appliance is rated as 60 W – 150 V.
How much current will flow through the appliance when in use?
