Two coils connected in series have resistance of `600K Omega` and `300 Omega` at `20^@C` and temperature coefficient of` 0.001` and `0.004 (.^@C)^-1` respectively. Find resistance of the combination at a temperature of `50^@C`. What is the effective temperature coefficient of combination?

A conducting wire has resistance 16 Omega at 15^0 C and 20 Omega at 100^0 C find temperature of coeffecient of resistance

Resistance is 16 Omega at 15^0C and 20 Omega at 100^0 C find coefficient of resistivity

A plantinum wire has resistance of 10 Omega at 0^(@)C and 20 Omega at 273^(@)C . Find the value of coefficient of resistance.

A tungsten coil has a resistance 16 Omega at 20^@C . If the temperature coefficient of resistance of tungsten is 0.004^@C^(-1) , calculate the resistance of the coil at 80^@C .

The resistance of a coi is 4.2Omega at 100^(@)C and the temperature coefficient of resistance of its material is (0.004)/(.^(@)C) . Its resistance at 0^(@)C is

The resistance of a bulb filmanet is 100Omega at a temperature of 100^@C . If its temperature coefficient of resistance be 0.005 per ^@C , its resistance will become 200 Omega at a temperature of

Two wires of different materials P and Q have resistance per unit lengths 50 Omega km^(-1) and 25 Omega km^(-1) and temperature coefficients of resistance, 0.0025 ^@C^(-1) and 0.00075^@C^(-1) respectively. If it is desired to make a coil having 700 Omega resistance and a temperature coefficient of resistance 0.001^@C^(-1) by using suitable length of two wires in series. Calculate their respective length.

The resistance of a metallic conductor is 50Omega at a temperature of 100^(@)C .If its temperature coefficient of resistance is 0.005^(@)C^(-1) ,then its resistance will become 125Omega at a temperature of

A wire has a resistance of 3.1 Omega at 30°C and a resistance 4.5 Omega at 100°C. The temperature coefficient of resistance of the wire

A platinum wire has a resistance of 2.62 Omega at 15 ^(0)C and 3.29 Omega at 80 ^(@)C . Find the temperature coefficient of the resistance of platinum wire.