Last Updated On 01-06-2023 - By Jeesha Sara
A power transmission line feeds input power at 2300 V to a step down transformer with its primary windings having 4000 turns. The output power is delivered at 230V by the transformer. If the current in the primary of the transformer is 5A and its efficiency is 90%, the output current would be:
|
a. |
25A |
b. |
50A |
|
c. |
35A |
d. |
45A |
Question ID - 50184 :- A power transmission line feeds input power at 2300 V to a step down transformer with its primary windings having 4000 turns. The output power is delivered at 230V by the transformer. If the current in the primary of the transformer is 5A and its efficiency is 90%, the output current would be:
a.
25A
b.
50A
c.
35A
d.
45A
A power transmission line feeds input power at 2300 V to a step down transformer with its primary windings having 4000 turns. The output power is delivered at 230V by the transformer. If the current in the primary of the transformer is 5A and its efficiency is 90%, the output current would be:
|
a. |
25A |
b. |
50A |
|
c. |
35A |
d. |
45A |
0.9=
Is = 45ANext Question :
The top of a water tank is open to air and its water level is maintained. It is giving out 0.74 m3 water per minute through a circular opening of 2 cm radius in its wall. The depth of the centre of the opening from the level of water in the tank is close to:
|
a. |
9.6m |
b. |
4.8m |
|
c. |
2.9m |
d. |
6.0m |
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