A copper wire has diameter 0.5mm and resistivity of `1.6xx10^(-8)Omega`m. what will be the length of this wire to make its resistance `10Omega`? How much does the resistance change if the diameter is doubled ?

A copper wire has diameter 0.5 mm and resistivity of 1.6 xx 10^-8Omega m. What will be the length of this wire to make its resistance 10Omega ? How much does the resistance change if the diameter is doubled?

A copper wire has diameter 0.5 mm and resistivity of 1.6 xx 10^(–8) Omega m. What will be the length of this wire to make its resistance 10 Omega ? How much does the resistance change if the diameter is doubled?

A copper wire has diameter 0.5 mm and resistivity of 1.6 xx 10^(-6) Omega m. What will be the length of this wire to make its resistance 10Omega ? How much does the resistance change if the diameter is doubled?

A copper wire has diameter 0.5 mm, and resistivity of 1.6xx10^-8 ohm -m . What will be the length of this make its resistance 10 ohm ? How much does the resistance change if the diameter is doubled.

A copper wire has a diameter of 0.5 mm and a resistivity of 1.6 xx 10^-6 Omegacm . How much of this wire would be required to make a 10 Omega coil ? How much does the resistance change if the diameter is doubled ?