Science, asked by namanvats2005, 5 months ago

Electrical resistivity of a given metallic wire depends upon

(a) ρ = RA/L. (b) ρ = L/RA. (c) 1/RAL. (d) A = ρΑ/L.

Answers

Answered by sheejamaya

1

Answer:

RA/L

Explanation:

Resistivity is directly proportional to resistance, lenght of the conductor and inversely proportipnal to are of cross section

Previous Question

Next Question

Similar questions

Math, 2 months ago

1. Find the zeroes of each of the following quadratic polynomial also in each case verify the relationship between the zeroes and it's co efficient ...

Math, 2 months ago

How many times should 2.5 be deducted from 45.4, so that the result will be 0.4? (1) 20 (2) 18 (3) 9 (4) 16...

Math, 2 months ago

[(-14)+(-12)]+3=(-14)+[ ______+3]...

Science, 5 months ago

Q.15 :-How are known the forces of macro environment? Which is most important and most used ? O SWOT model SARFA model PESTEL model DEEPEST model...

Science, 5 months ago

distinguish between positive and negative and zero work done of sound low and high pitched ...

Physics, 11 months ago

A copper wire of negligible mass, length l and corss-section A is kept on a smooth horizontal tabel with one end fiexed. A ball of mass m is attached to the other end. The wire and the ball are rotating with an angular velocity omega. If elongation in the wire is Deltal, obtain the expression for the Young's modulus.

Physics, 11 months ago

A metal wire of length L_1 and area of cross section A is ttached to a rigid support. Another metal wire of length L_2 and of the same cross sectional area is attached to the free end of the first wire. A body of mass M is then suspended from the free end of the second wire, if Y_1 and Y_2 are the Young's moduli of the wires respectively the effective force constant of the system of two wires is...

Physics, 11 months ago

A physical quantity is given by X=M^(a)L^(b)T^(c). The percentage error in measurement of M,L and T are alpha, beta and gamma respectively. Then maximum percentage error in the quantity X is...