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प्रश्न
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उत्तर
One may get an electric shock from an electrical appliance if accidentally the live wire comes in contact with the metallic case of the body of the appliance due to break of insulation after constant use (or otherwise).
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संबंधित प्रश्न
Define the unit of current.
Why are metals good conductors of electricity whereas glass is a bad conductor of electricity? Give reason?
How many milliamperes as there in 1 ampere?
The circuit diagram in fig shows two coils of an insulated copper wire wound on a cardboard tube. G is a center zero galvanometer.
(a) Describe what will happen when th e swi tch K is cl osed for severa l
seconds and then opened again .
(b) What will be the effect of repeating the experiment with an iron placed in the tube?
An electric iron is rated 750 W, 230 V. Calculate the electrical energy consumed by the press in 16 hours.
Explain, why the potential difference across the terminals of a cell is more when the cell is not in use than it is when the cell is being used.
State the condition when it is advantageous to connect cells in series.
