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What is the SI unit of electric current?...

What is the SI unit of electric current?

A

Ampere

B

Ohm

C

Volt

D

Watt

Text Solution

Verified by Experts

The correct Answer is:
A
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OSWAAL PUBLICATION-ELECTRICITY-Textbook Exercises
  1. What is the SI unit of electric current?

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

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

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  4. An electric bulb is rated 220 V and 100 W. When it is operated on I 10...

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  5. Two conducting wires of the same material and of equal. lengths and eq...

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  6. How is a voltmeter connected in the circuit to measure the potential d...

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  7. A copper wire has diameter 0.5mm and resistivity of 1.6xx10^(-8)Omegam...

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  8. The values of current I flowing in a given resistor for the correspond...

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

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  10. A battery of 9V is connected in series with resistors of 0.2Omega,3Ome...

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

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

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

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  14. A hot plate of an electric oven connected to a 220 V line has two resi...

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  15. Compare the power used in the 2 Omega resistor in each of the followi...

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

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

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

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  19. Why is the tungsten used almost exclusively for filament of electric l...

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  20. Why are the conductors of electric heating devices, such as bread-toas...

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  21. Why is the series arrangement not used for domestic circuits ?

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