268365 A material ' \(B\) ' has twice the specific resistance of ' \(A\) '. A circular wire made of ' \(B\) ' has twice the diameter of a wire made of ' \(\mathrm{A}\) '. Then for the two wires to have the same resistace, the ratio \(I_{B} / I_{A}\) of their respective lengths must

268366 If a wire of resistance ' \(R\) ' is melted and recasted in to half of its length, then the new resistance of the wire will be

268367 When a wire isdrawn until its radius decreases by \(3 \%\). Then percentage of increase in resistance is

268368 When three wires of unequal resistances are given the number of combinations they can be made to give different resistances is

268369 The resistance of a coi is \(4.2 \Omega\) at \(100^{\circ} \mathrm{C}\) and the temperature coefficient of resistance of its material is \(0.004 /{ }^{\circ} \mathrm{C}\). I ts resistance at \(0^{\circ} \mathrm{C}\) is

268365 A material ' \(B\) ' has twice the specific resistance of ' \(A\) '. A circular wire made of ' \(B\) ' has twice the diameter of a wire made of ' \(\mathrm{A}\) '. Then for the two wires to have the same resistace, the ratio \(I_{B} / I_{A}\) of their respective lengths must

268366 If a wire of resistance ' \(R\) ' is melted and recasted in to half of its length, then the new resistance of the wire will be

268367 When a wire isdrawn until its radius decreases by \(3 \%\). Then percentage of increase in resistance is

268368 When three wires of unequal resistances are given the number of combinations they can be made to give different resistances is

268369 The resistance of a coi is \(4.2 \Omega\) at \(100^{\circ} \mathrm{C}\) and the temperature coefficient of resistance of its material is \(0.004 /{ }^{\circ} \mathrm{C}\). I ts resistance at \(0^{\circ} \mathrm{C}\) is

268365 A material ' \(B\) ' has twice the specific resistance of ' \(A\) '. A circular wire made of ' \(B\) ' has twice the diameter of a wire made of ' \(\mathrm{A}\) '. Then for the two wires to have the same resistace, the ratio \(I_{B} / I_{A}\) of their respective lengths must

268366 If a wire of resistance ' \(R\) ' is melted and recasted in to half of its length, then the new resistance of the wire will be

268367 When a wire isdrawn until its radius decreases by \(3 \%\). Then percentage of increase in resistance is

268368 When three wires of unequal resistances are given the number of combinations they can be made to give different resistances is

268369 The resistance of a coi is \(4.2 \Omega\) at \(100^{\circ} \mathrm{C}\) and the temperature coefficient of resistance of its material is \(0.004 /{ }^{\circ} \mathrm{C}\). I ts resistance at \(0^{\circ} \mathrm{C}\) is

268365 A material ' \(B\) ' has twice the specific resistance of ' \(A\) '. A circular wire made of ' \(B\) ' has twice the diameter of a wire made of ' \(\mathrm{A}\) '. Then for the two wires to have the same resistace, the ratio \(I_{B} / I_{A}\) of their respective lengths must

268366 If a wire of resistance ' \(R\) ' is melted and recasted in to half of its length, then the new resistance of the wire will be

268367 When a wire isdrawn until its radius decreases by \(3 \%\). Then percentage of increase in resistance is

268368 When three wires of unequal resistances are given the number of combinations they can be made to give different resistances is

268369 The resistance of a coi is \(4.2 \Omega\) at \(100^{\circ} \mathrm{C}\) and the temperature coefficient of resistance of its material is \(0.004 /{ }^{\circ} \mathrm{C}\). I ts resistance at \(0^{\circ} \mathrm{C}\) is

268365 A material ' \(B\) ' has twice the specific resistance of ' \(A\) '. A circular wire made of ' \(B\) ' has twice the diameter of a wire made of ' \(\mathrm{A}\) '. Then for the two wires to have the same resistace, the ratio \(I_{B} / I_{A}\) of their respective lengths must

268366 If a wire of resistance ' \(R\) ' is melted and recasted in to half of its length, then the new resistance of the wire will be

268367 When a wire isdrawn until its radius decreases by \(3 \%\). Then percentage of increase in resistance is

268368 When three wires of unequal resistances are given the number of combinations they can be made to give different resistances is

268369 The resistance of a coi is \(4.2 \Omega\) at \(100^{\circ} \mathrm{C}\) and the temperature coefficient of resistance of its material is \(0.004 /{ }^{\circ} \mathrm{C}\). I ts resistance at \(0^{\circ} \mathrm{C}\) is