Home
Class 12
PHYSICS
[" 38.Four wires of the same diameter ar...

[" 38.Four 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 "1" ),"1.2" p and "1.2L" (wire "2" ),"],[0.9" p and "0.9L" (wire "3)" and "rho" and "1.5L" (wire "4" )."],[" Rank the wires according to the rates at which "],[" energy is dissipated as heat,greatest first,"],[[" (a) "4>3>1>2," (b) "4>2>1>3],[" (c) "1>2>3>4," (d) "3>1>2>4]]

Promotional Banner

Similar Questions

Explore conceptually related problems

Four 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 1") 1.2rho and 1.2L("wire 2"), 0.9 rho and 0.9L("wire 3") and rho and 1.5L ("wire 4") . Rank the wires according to hte rates at which energy is dissipated as heat, greatest first,

Four 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 1") 1.2rho and 1.2L("wire 2"), 0.9 rho and 0.9L("wire 3") and rho and 1.5L ("wire 4") . Rank the wires according to hte rates at which energy is dissipated as heat, greatest first,

Four 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 1") 1.2rho and 1.2L("wire 2"), 0.9 rho and 0.9L("wire 3") and rho and 1.5L ("wire 4") . Rank the wires according to hte rates at which energy is dissipated as heat, greatest first,

Two wires of equal diameters of resistivies rho_(1) and rho_(2) and lengths l and l respectively are joined in series. The equivalent resistivity of the combination is

Two wires of the same dimensions but resistivities rho_(1) and rho_(2) are connected in series. The equivalent resistivity of the combination is

Two wires of the same dimensions but resistivities rho_(1) and rho_(2) are connected in series. The equivalent resistivity of the combination is

Two wires of same dimension but resistivities rho_1 and rho_2 are connected in series. The equivalent resistivity of the combination is

Two wires of the same dimensions but resistivities rho_(1) and rho_(2) are connected in series. The equivalent resistivity of the combination is