When a wire drawn until its radius decreases by `3%` then percentage of increase in resistance is-

If a copper wire is stretched to make its radius decrease by 0.1% , then the percentage increase in resistance is approximately -

If a copper wire is stretched to make its radius decrease by 0.1% , then the percentage increase in resistance is approximately -

If a copper wire is stretched to make its radius decrease by 0.1% , then the percentage increase in resistance is approximately -

If a copper wire is stretched to make its radius decrease by 0.15% . then the percentage increase in resistance is approximately

If an iron wire is drawn to decrease its radius by 0.5 % . Then percentage of increase in its resistance will be

If an iron wire is drawn to decrease its radius by0.5% .Then percentage of increase in its resistance will be

When length of wire is increased by 10% , then increase in resistance is