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How is a voltmeter connected in the circ...

How is a voltmeter connected in the circuit to measure the potential difference between two points?

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A voltmeter is (always) connected in parallel across the points in the circuit between which the potential difference is to be measured.
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KUMAR PRAKASHAN-ELECTRICITY-TEXTUAL EXERCISE
  1. An electric bulb is rated 220V and 100W. When it is operated on 110V t...

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

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

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  4. A copper wire has diameter 0.5 mm and resistivity of 1.6 xx 10^(-6) Om...

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  5. The values of current I flowing in for the corresponding values of pot...

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

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

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  8. How many 176 'Omega' resistors (in parallel) are required to carry 5...

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

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

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

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  12. Compare the power used in the 2Omega resistor in each of the following...

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  13. Compare the power used in the 2Omega resistor in each of the following...

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

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  15. Which uses more energy, a 250W TV set in 1 h, or a 1200W toaster in 10...

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  16. An electric heater of resistance 8 ohm draws 15A from the service main...

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

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

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

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  20. How does the resistance of a wire vary with its area of cross-section?...

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