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babymother [125]
3 years ago
14

Atoms are electrically neutral because there are an equal number of protons in the nucleus and In the cloud around the nucleus

Physics
1 answer:
Alborosie3 years ago
4 0

Answer:

Atoms are electrically neutral because there are an equal number of protons in the nucleus and In the cloud around the nucleus.

Explanation:

  1. The atoms that are the building block of matter consist of protons, neutrons, and electrons.
  2. The protons are positively charged and the electrons are negatively charged particles.
  3. The neutrons are negatively charged particles.
  4. The atoms in its stable natural state consist of an equal number of protons and electrons.
  5. Thus an atom has a neutral charge in its natural state.
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Your little sister is building a radio from scratch. Plans call for a 500 μH inductor wound on a cardboard tube. She brings you
gayaneshka [121]

Answer:

N = 195 turns

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The inductance of a solenoid is given by:

L = \frac{\mu_{0}N^{2} A }{l}

500 * 10^{-6} = \frac{4\pi *10^{-7}  N^{2} *4\pi  *10^{-4}  }{0.12}\\500 * 10^{-6} = 0.00000001316N^{2} \\N^{2} = \frac{500 * 10^{-6}}{0.00000001316}\\N^{2} = 37995.44\\N = \sqrt{37995.44} \\N = 194.92 turns

8 0
3 years ago
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Answer:

MA = 4

Explanation:

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MA = 10/2.5

MA = 4

4 0
3 years ago
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