Q3 of 22 Page 344

Draw a circuit diagram of a circuit consisting of a cell of 1.5V, 10 Ω resistors and a plug key all connected in series.

Figure below show the Schematic diagram for the same


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1

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What is he minimum resistance which can be made using five resistors each of ?

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Write a mathematical expression for Joule’s law of heating effect of current. Name one device which works on this principle.

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