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Phoenix [80]
3 years ago
9

What is a bond between a positive and a negative ion charge?

Physics
2 answers:
klasskru [66]3 years ago
5 0

Answer:

Ionic Bond

Explanation:

nasty-shy [4]3 years ago
5 0

Answer:

<u>An ionic bond</u>

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A loop of wire is carrying current of 2 A . The radius of the loop is 0.4 m. What is the magnetic field at a distance 0.09 m alo
HACTEHA [7]

Answer:

B=2.91\ \mu T

Explanation:

Given that,

The current in the loop, I = 2 A

The radius of the loop, r = 0.4 m

We need to find the magnetic field at a distance 0.09 m along the axis and above the center of the loop. The formula for the magnetic field at some distance is given as follows :

B=\dfrac{\mu_o}{4\pi }\dfrac{2\pi r^2 I}{(r^2+d^2)^{3/2}}

Put all the values,

B=10^{-7}\times \dfrac{2\pi \times 0.4^2 \times 2}{(0.4^2+0.09^2)^{3/2}}\\\\=2.91\times 10^{-6}\ T\\\\or\\\\B=2.91\ \mu T

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A small 12.00 g plastic ball is suspended by a string in a uniform, horizontal electric field. If the ball is in equilibrium whe
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Answer:

Q = \frac{0.068}{E}

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As we know that plastic ball is suspended by a string which makes 30 degree angle with the vertical

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QE = F_x

mg = F_y

since string makes 30 degree angle with the vertical so we will have

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Q = \frac{mg}{E}tan30

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Q = \frac{0.068}{E}

where E = electric field intensity

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