Three metal rods of same lengths and same area of cross-section having conductivities 1, 2, 3 units are connected in series. Then their effective conductivity will be

Three metal rods of same lengths and same area of cross-section having

1.	Three metal rods of same lengths and same area of cross-section having conductivities 1, 2, 3 units are connected in series. Then their effective conductivity will be
Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a> <a href="https://interviewquestions.tuteehub.com/tag/units-1438468" style="font-weight:bold;" target="_blank" title="Click to know more about UNITS">UNITS</a><br/>1.6 units<br/>2.4 units <br/>2.8 units </p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :<a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a></body></html>