The number of magnetic flux lines on a unit area passing perpendicular to the given line direction is known as induced magnetic field strength .it is denoted by B.

The magnetic field strength is found as;

$B = \frac{\mu_0I}{2r} \\\\ \mu_0 = 4 \PI \times 10^{-7}$

In the formula,I denote current, and r denotes the distance between the point and the current carrying wire and magnetic field due to current in the bottom wire.

At point 1, the net magnetic field is found as the sum of magnetic field due to current in the top wire.

$\rm B_{net} = B1_+(-B_2)$

$B = \frac{ 4 \PI \times 10^{-7}I}{2r} \\\\ \rm B_{net} = B_1_+(-B_2)\\\\ \rm B_{net} = \frac{4 \times \pi \times 10^{-7} \times 10}{2 \times \pi \times 0.02} -\frac{4 \times \pi \times 10^{-7} \times 10 }{2 \times \pi \times 0.06} \\\\\ \rm B_{net} = 6.67 \times 10^{-5} T$

Hence, the magnetic field strength at point 1 in the figure will be 6.67 ×10⁻⁵ T.

To learn more about the strength of induced magnetic field, refer:

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2 years ago

A thin rod of length d on a frictionless surface is pivoted about one end

motikmotik

The magnitude of the angular momentum of the rod immediately after the collision is given as (pf + pi) * d. (Option A).

<h3>What is Angular Momentum?</h3>

Angular Momentum may be defined or described as the vector quantity of the rotation of a body, which is arrived at by multiplying its moment of inertia by its angular velocity.

The formula for Angular Momentum is given as:

L = <em>mvr; Where

L = Angular Momentum</em>

<em>v = velocity; and </em>

<em>r = radius.</em>

Learn more about Angular Momentum at:
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2 years ago

All ions are atoms with a (2 points)

Andrews [41]

This could be wrong but I am giving a decent suggestion: All ions are atoms with a negative charge.

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4 years ago

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