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torch bulb

Electricity

Last Updated on November 23, 2020 By Mrs Shilpi Nagpal 6 Comments

Question 1 State few appliances used in everyday life which work with electricity? Question 2 State any two dangers of electricity if handles carelessly? Question 3 State few uses of electricity? Question 4 Name few gadgets which use electricity for their working? Question 5 Explain why we should never join the two terminals of a cell by wire only? Question 6 … [Read more...] about Electricity

Detection of weak current flowing through liquid

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal Leave a Comment

Question 1 Write the full form of LED? Question 2 Name a device which glows even when a weak electric current passes through it? Question 3 What is it advantage of using LED in testing the electrical conductivity of liquids? Question 4 Which effect of electric current is utilised for detecting the flow of current through a solution: (a) When a torch bulb is … [Read more...] about Detection of weak current flowing through liquid

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