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3 years ago

A material that provides little or no resistance to the flow of electric current is called a/an

2 answers:

5 0

I think the correct answer from the choices listed above is option B. <span>A material that provides little or no resistance to the flow of electric current is called a conductor since a conductor function to let electricity flow so it should have less resistance.</span>

GarryVolchara [31]3 years ago

3 0

Conductor .......................

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Answer:

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2 years ago

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What is the length x of the side of the triangle below? (Hint: use the cosine function.)

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A because that is the answer

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2 years ago

Which part of the brain serves to regulate the endocrine system?

Debora [2.8K]

Answer:

hypothalamus

Explanation:

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3 years ago

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Two facing surfaces of two large parallel conducting plates separated by 8.5 cm have uniform surface charge densities such that

elena-s [515]

Answer:

positive plate

E = 5.764 KV / m

W = 490eV or 7.85 * 10^-17 J

E_p = 4.74 *10^(-12) eV

E_k = 490 eV

Explanation:

part a

The potential difference between two plates = 490 V

Distance between two plates = 8.5 cm

Answer: The positive plate is at higher potential because of convention.

part b

Electric Field between the plates

E = V / d

E = 490 / 0.085 = 5.764 KV / m

Answer: Electric Field between the plates E = 5.764 KV / m

part c

Work done by electric field

W = V*q

W = 490 * 1.602*10^-19

W = 7.85 * 10^-17 J

or W = 490 eV

Answer: Work done by electric field W = 490eV or 7.85 * 10^-17 J

part d

Potential Energy of an electron gained:

E_p = m_e * g * d / (1.602*10^-19)

E_p = 9.109*10^-31* 9.81 * 0.085 / (1.602*10^-19)

E_p = 4.74 *10^(-12) eV

Very very small E_p approximately 0

Answer: Potential Energy of an electron gained E_p = 4.74 *10^(-12) eV or 0.

part e

Kinetic Energy of an electron gained:

W - E_p = E_k

E_k = 490eV - 4.74*10^(-12)eV

E_k = 490 eV

Answer: Kinetic Energy of an electron gained E_k = 490 eV

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3 years ago

What best describes gravity?

DanielleElmas [232]

F = G*((m sub 1*m sub 2)/r^2)

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2 years ago