Accuracy of Kelvin bridge is of the order of _________

• A. ¬¨¬®¬¨¬±0.5 to ¬¨¬®¬¨¬±2 %
• B. ¬¨¬®¬¨¬±0.05 to ¬¨¬®¬¨¬±0.02 %
• C. ¬¨¬®¬¨¬±0.05 to ¬¨¬®¬¨¬±0.2 %
• D. ¬¨¬®¬¨¬±0.005 to ¬¨¬®¬¨¬±0.02 %