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An electric motor takes 5 A from a 220 V...

An electric motor takes `5 A` from a `220 V` line. Determine the power and energy consumed in `2 h`.

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To solve the problem, we will follow these steps: ### Step 1: Identify the given values We have: - Current (I) = 5 A - Voltage (V) = 220 V - Time (T) = 2 hours ...
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NCERT ENGLISH-ELECTRICITY-Exercise
  1. An electric iron of resistance 20 Omega takes a current of 5 A. Calcul...

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  2. What determines the rate at which energy is delivered by a current ?

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  3. An electric motor takes 5 A from a 220 V line. Determine the power and...

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  4. A piece of wire of resistance R is cut into five equal parts. These pa...

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  5. Which of the following terms does not represent electrical power in a ...

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  6. An electric bulb is rated 220 V and 100 W. When it is operated on 110 ...

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  7. Two conducting wires of the same material and of equal length and equa...

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  8. How is voltmeter connected in the circuit to measure potential differe...

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  9. A copper wire has a diameter of 0.5 mm and a resistivity of 1.6 xx 10^...

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  10. The value of current, I, flowing in a given resistor for the correspon...

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  11. When a 12 V battery is connected across an unknown resistor, there is ...

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  12. A battery of 9 V is connected in series with resistors of 0.2 Omega, 0...

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  13. How many 176 Omega resistors (in parallel) are required to carry 5 A ...

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  14. Show how you would connect three resistors, each of resistance 6 Omega...

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  15. Several electric bulbs designed to be used on a 220 V electric supply ...

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  16. A hot plate of an electric oven connected to a 220 V lines has two res...

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  17. Compare the power used in the 2 Omega resistor in each of the followin...

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  18. Two lamps, one rated 100 W at 220 V, and the other 60 W at 220 V, are ...

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  19. Which uses more energy, a 250 W TV set in 1 h or a 1200 W toaster in 1...

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  20. An electric heater of resistance 8 Omega draws 15 A from the service m...

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