here. I don't know if its right but i hope it is.
Find the lcm of the numer below 25 and 45
1 answer:
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Answer:
The magnetic field is
Direction is inward
Step-by-step explanation:
The diagram for this question is shown on the first uploaded image
From the question we are told that
The radius of BC is
The radius of DA is
The length of CD is
The length of AB is
The current is
The magnetic field is mathematically represented as
Where
Where
so
The direction is into the page
This because the magnitude of the magnetic field due to arc BC whose direction is outward is less than that of DA whose direction is inward
This is because according to Fleming's Left Hand Rule the direction of current is perpendicular to the direction of magnetic field so since current in arc BC and DA are moving in opposite direction their magnetic field will also be moving in opposite direction
