What is the relationship between the line current i l and the phase current i1 in a balanced delta system?

1 answer:

6 0

<span>In a star connection the line current is equal to the phase current . While in Delta connection the line current is divided by under root 3 to get the phase current.</span>

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with what speed does a freely falling object dropped from a height of 88.2m hit the ground? how long does it take for it hit the

Kryger [21]

Answer:

Vf = 41.6 [m/s].

Explanation:

To solve this problem we must use the equations of kinematics.

Vf² = Vo² + (2*g*y)

where:

Vf = final velocity [m/s]

Vo = initial velocity = 0

g = gravity acceleration = 9.81 [m/s²]

y = height = 88.2 [m]

Note: The positive sign of the equation tells us that the acceleration of gravity goes in the direction of motion.

Vf² = Vo² + (2*g*y)

Vf² = 0 + (2*9.81*88.2)

Vf = (1730.48)^0.5

Vf = 41.6 [m/s]

6 0

3 years ago

A small compass is placed near a current-carrying wire. The wire is vertical, and the compass is on a horizontal surface. The re

azamat

Answer:

The direction of magnetic field produced by a current carrying wire is given by the right hand thumb rule. If the thumb points in the direction of current the fingers curl along the direction of magnetic field.

further, The red end of the compass needle points in the direction of external magnetic field. As the red end of the needle is pointing away from us, the external magnetic field at its location should also be directed away from us. Using the right hand thumb rule, we can see that this is only possible if the current in the wire is flowing upwards.

Explanation: