Calculate the density of water in kg/m3. Express your answer in kilograms per cubic meter using three significant figures.
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Answer:
The magnitude of magnetic field at given point = ×
T
Explanation:
Given :
Current passing through both wires = 5.0 A
Separation between both wires = 8.0 cm
We have to find magnetic field at a point which is 5 cm from any of wires.
From biot savert law,
We know the magnetic field due to long parallel wires.
⇒
Where magnetic field due to long wires,
,
perpendicular distance from wire to given point
From any one wire 5 cm,
3 cm
so we write,
∴
Therefore, the magnitude of magnetic field at given point =
True! The mechanical advantage of the wheel and axle is equal to the ratio of the radius of the wheel over the radius of the axle.
