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CBSE Notes 2011-2012

Two conducting wires of same material, and of equal lengths and! diameters are first connected in se...

Multiple choice question

Two conducting wires of same material, and of equal lengths and! diameters are first connected in series and then parallel in a given electric circuit. The ratio of heat produced in series and parallel combinations would be [NCERT]

unknown

1:02

unknown

2:1

unknown

1:4

unknown

4:01