Three wires, of the same diameter, are connected in turn between two points maintained at a constant potential difference. Their resistivities and lengths are rho and L (wire A), 1.2rho and 1.2L (wire B), and 0.9rho and L (wire C).
1. Rank the wires according to the rate at which energy is transferred to thermal energy within them, greatest first. (Use only ">" or "=" symbols. Do not include any parentheses around the letters or symbols.)

C > A > B

Explanation:

Given

Three wires A , B and C with Resistivities and lengths as given

A  and L

B and  1.2 L

C  and  L

we know that resistance is given by

where A=cross-section of wire

It is given that common Potential is applied for three wires

Resistance of A , B and  C are

Thermal Energy is given by

for same Potential difference

Thus maximum heat is generated in wire C and minimum in wire B

thus C > A > B

when cloud cover increases then the suns ray's which provides the earth with light and warmth gets covered due to the due to the suns ray's being blocked, the temperature in that region

therefore to conclude i would like to say that,

=more the cloud cover, the lesser the

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