(a) write name of any four aaplicanse working on the thermal effect? (b) write any three difference between resistance and specific resistance.?
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Explanation:
A.The heating effect of electric current is used in a large number of domestic and industrial appliances for example, room heater, electric kettle, geyser, toaster, electric iron, hair dryer, oven, etc.
B.The unit of resistance is ohm (Ω). Resistance of conductor depends on its length, temperature, cross section area, material of the conductor. ... At a fixed temperature amount of resistance offered in the flow of current by a conductor having unit length and unit cross section is called its specific resistance.
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