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प्रश्न
Why do electricians wear rubber hand gloves while working with electricity?
उत्तर
Electricians wear rubber hand gloves while working with electricity because rubber is an insulator and it will prevent them from getting electric shock, in case of short circuit or overloading.
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संबंधित प्रश्न
Name a device that help to measure the potential difference across a conductor.
What do you understand by the term "potential difference"?
A resistance of 20 ohms has a current of 2 amperes flowing in it. What potential difference is there between its ends?
What current will be taken by a 920 W appliance if the supply voltage is 230 V?
Three electric cells of potential difference 1.5 V each have been connected as a battery. The potential differences of the battery will be ____________ V.
Write an expression for the electrical power spent in flow of current through a conductor in terms of current and resistance.
A V-I graph for a nichrome wire is given below. What do you infer from this graph? Draw a labelled circuit diagram to obtain such a graph.
100 J of heat is produced each second in a 4 Ω resistor. The potential difference across the resistor will be:
Name the instrument which is used to measure the potential difference.
Name a device that helps to maintain a potential difference across conductors.
