Two wires of equal diameters, of resistivities P1 and P2 and lengths 1 and 2, respectively, are joined in series. The equivalent resistivity of the combination is

Question:

Options :

a)ρ1l1+ρ2l2/l1+l2
b)ρ1l2 +ρ2l1/l1-l2
c)ρ1l2+ρ2l1/l1+l2
d)ρ1l1-ρ2l2/l1-l2

Answer :

a)ρ1l1+ρ2l2/l1+l2

Answer Steps :

Step:-1

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Related Questions

The kinetic energy of a particle executing a linear SHM is 16 J, when it is in the mean position. If the amplitude is 25 cm, periodic time of the particle in second is (Mass of the particle = 51.2 g)

A body of mass ‘M’ executes SHM Along x-axis with frequency ‘n’. At a distance x from the mean position, the body has kinetic energy ‘K’ and potential energy ‘P’. The amplitude of oscillation of the SHM is

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