Is it safe for the electrician to carry out electrical repairs outdoors during heavy downpour? Explain.
No, it is not safe because rainy water contains a large amount of (salt) impurities like acids, minerals etc. which makes the rain water a good conductor of electricity and the electrician may get an electric shock.
In the following Table some substances are given in Column I. In Column II some uses are given. Match the items in column I with those in Column II.
Column I | Column II |
---|---|
(i) Gold (ii) Iron (iii) Aluminium (iv) Carbon (v) Copper (vi) Mercury |
(a) Thermometers (b) Electric Wire (c) Wrapping food (d) Jewellery (e) Machinary (d) Fuel |
NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:
Welcome to the NCERT Solutions for Class 8 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 9: Is it safe for the electrician to carry out electrical repairs outdoors during heavy downpour? Expla....
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