Question

what is short circuiting list two precautions to prevented what is the colour of insulation of earth wire state its function in domestic circuit and explain and explain how earthing of an electric appliances saves the user from a server electric shock answer this question for class 10th​

Answer 1

Answer:

short circuit orcas when the resistivity of conductor or the flow of charge become more than the the material for power of wire and it break down from its circuit and the short circuit occurs the prevention of short circuits are using proper MCB and proper wire of required current of any appliances

Answer 2

Short circuit is the direct contact of the opposite terminal of electric supply without any load between them.

Explanation:

Short circuit is the direct contact of the opposite terminal of electric supply without any load between them.

• The colour of insulation of the earth wire is green and it prevents us form the leaked current to the undesired conducting paths in a domestic circuit by dissipating the leaked charges directly to the earth as earth is consider as the sink for the charges. Current always flows to through the path of lowest resistance and highest potential difference.

• Earthing also prevents the appliance form the damage if the current takes an undesired path due to leakage of the current due to unwanted contact.

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TOPIC: earthing

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