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Grade: 12 
        
Two manganin wires whose lengths are in the ratio 1 : 2 and whose resistances are in the ratio 1 : 2 are connected in series with a battery. What will be the ratio of drift velocities of free electrons in the two wires?
3 years ago

Answers : (1)

Nicho priyatham
625 Points 
							
since the ratio of length is same as that of resistance  the area of crossection must be same
so
i1=i2           (i=neAvd)
so vd1=vd2   
PLEASE APPROVE
3 years ago
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