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CBSE Notes 2011-2012

A: The nature of increase/decrease in resistivity of a metal and insulator are the same. B: Rheostat...

Multiple choice question

A: The nature of increase/decrease in resistivity of a metal and insulator are the same.
B: Rheostat used in series in a circuit can make a bulb to glow with varying brightness.

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Both 'A' and 'B' are true statements

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Both 'A' and 'B' are false statements

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A' is true while 'B' is false statements

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A' is false while 'B' is true statements