The magnetic field strength is 17 Weber.
<h3>How can we find the value of magnetic field?</h3>
We know, The magnetic field equation is given by:
<h3>Given,</h3>
Where, we know,
= 
= It is the magnetic constant or the permeability of free space.
n = The turn density which is equivalent to number of turns per unit length = 3300 turns per meter = 3300 
I= the amount of current applied to it = 4. 1 kA = 4 × 
A.
We have to find the magnetic field strength = B
Substituting the known values into the equation gives the strength of the magnetic field, which is:
[We know, 
]
So, from the above calculation we can see that, The magnetic field strength is 17 Weber.
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How long it takes to earth to revolve completely on its Axis
Answer:
Explanation:
magnitude: 180-50=130N
Direction: in the direction same as the second horizontal force
Answer:
9.8 m/s
Explanation:
The work done by the force pushing the cart is equal to the kinetic energy gained by the cart:
where
W is the work done
is the final kinetic energy of the cart
is the initial kinetic energy of the cart, which is zero because the cart starts from rest, so we can write:
But the work is equal to the product between the pushing force F and the displacement, so
So, the final kinetic energy of the cart is 480 J. The formula for the kinetic energy is
(1)
where m is the mass of the cart and v its final speed.
We can find the mass because we know the weight of the cart, 98.0 N:
Therefore, we can now re-arrange eq.(1) to find the final speed of the cart:
The object will sink in any liquid whose density is less than 0.75 g/mL .
A few examples are butane, ether, gasoline, hexane, octane, naphtha, pentane, and propane.
