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3 years ago

Which of the following statements describes the capabilities of an electroscope? Select all that apply.

Physics

2 answers:

lilavasa [31]3 years ago

8 0

Answer: Electroscope can measure the amount and type of charge.

Explanation: Electroscope is a scientific instrument which is detect the charge on the object. its explains weather the object charged or not.

We use a gold-leaf electroscope when an object brought near a plate then we test the presence of the charge of the object if the object is charged then gold leaf will repel and if the object will uncharged then gold leaf will not responded.

Hence, we can say that Electroscope can measure the amount and type of charge.

Grace [21]3 years ago

7 0

The applicable answer/s are

- Electroscopes can measure the amount and type of charge, not to explicit to only one but both. and it is not made of of insulating materials instead it is made up of conductive materias.

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Answer:

Explanation:

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3 years ago

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Answer:

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3 years ago

A wire 6.60 m long with diameter of 2.05 mm has a resistance of 0.0310 Ω.

Alex73 [517]

Answer:

1.551×10^-8 Ωm

Explanation:

Resistivity of a material is expressed as shown;.

Resistivity = RA/l

R is the resistance of the material

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l is the length of the wire.

Given;

R = 0.0310 Ω

A = πd²/4

A = π(2.05×10^-3)²/4

A = 0.000013204255/4

A = 0.00000330106375

A = 3.30×10^-6m

l = 6.60m

Substituting this values into the formula for calculating resistivity.

rho = 0.0310× 3.30×10^-6/6.60

rho = 1.023×10^-7/6.60

rho = 1.551×10^-8 Ωm

Hence the resistivity of the material is 1.551×10^-8 Ωm

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2 years ago

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2 years ago

If Mrs. Reichelt throws a chromebook, because it won't login correctly, with a force of 8N, and the chromebook accelerates at 5m

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Answer:

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Step-by-step Solution:

Since Force = mass × acceleration we have:

F = 8N

a= 5 m/s^2

m = ?

By plugging the values above into F=ma we obtain:

$F=ma\\\\8=m(5)\\\\\frac{8}{5}=\frac{m(5)}{5}\\\\m=\frac{8}{5}=1.6$

Therefore, the Chromebook has a mass of 1.6 kilograms.

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3 years ago