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NCERT TELUGU-ELECTRICITY-EXERCISES
- A piece of wire of resistance R is cut into five equal parts. These pa...
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- Which of the following terms does not represent electrical power in a ...
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- An electric bulb is rated 220 V and 100 W. When it is operated on 110 ...
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- Two conducting wires of the same material and of equal lengths and equ...
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- How is a voltmeter connected in the circuit to measure the potential d...
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- A copper wire has diameter 0.5 mm and resistivity of 1.6 xx 10^(–8) O...
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- The values of current I flowing in a given resistor for the correspond...
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- When a 12 V battery is connected across an unknown resistor, there is ...
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- A battery of 9 V is connected in series with resistors of 0.2 Omega, 0...
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- How many 176 Omega resistors (in parallel) are required to carry 5 A o...
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- Show how you would connect three resistors, each of resistance 6 Omega...
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- Several electric bulbs designed to be used on a 220 V electric supply ...
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- A hot plate of an electric oven connected to a 220 V line has two resi...
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- Compare the power used in the 2 Omega resistor in each of the followi...
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- Two lamps, one rated 100 W at 220 V, and the other 60 W at 220 V, are ...
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- Which uses more energy, a 250 W TV set in 1 hr, or a 1200 W toaster in...
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- An electric heater of resistance 8 Omega draws 15 A from the service ...
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- Explain the following. (a) Why is the tungsten used almost exclusivel...
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