1. αe-αt
2. αe-t/α
3. 1/αe-αt
4. (1-α)e-αt
αe-αt
1. three times the average
2. √3 times the average
3. one-third of the average
4. zero
zero
1. 0.01
2. 0.1
3. 1.0
4. 10
0.1
1. larger diameter individual strands for a given cross-section of the aluminium strangs
2. larger diameter of a central steel strands for a given overall diameter of the conductor
3. larger diameter of the aluminium strands only for a given overall diameter of the conductor
4. a fillter between the inner steel and the outer aluminium strands to increase the overall diameter of the conductor
a fillter between the inner steel and the outer aluminium strands to increase the overall diameter of the conductor
1. 1.016 m
2. 2.40 m
3. 3.6 m
4. 4.2 m
3.6 m
1. 5.36 m
2. 4.1 m
3. 3.9m
4. 3.01m
5.36 m
1. K> 6
2. 6 < K< 10
3. K > 10
4. none of these
none of these
1. 79.50 m
2. 54.94 m
3. 60 m
4. 51.4 m
54.94 m
1. 0.6 and 10 rad/s
2. 0.6 and 12.5 rad/s
3. 0.8 and 10 rad/s
4. 0.8 and 12.5 rad/s
0.6 and 10 rad/s
1. 1/ 4
2. 0
3. ∞
4. 1/2
1/ 4