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3 years ago

Can someone answer plz!! It’s 24 points

Engineering

2 answers:

Maru [420]3 years ago

4 0

Answer:

750 microvolts i think or 7.5 microvolts

Explanation:

fgiga [73]3 years ago

3 0

Explanation:

750 microvolt is your answer

please mark as brilliant

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5 0

3 years ago

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Which of the following is not a task electricians typically do when maintaining a building’s electrical system?

Scorpion4ik [409]

Answer:replace insulation to help control...

Explanation:

Thats a insulation workers job

4 0

3 years ago

PLEASE HELP

lyudmila [28]

Answer:

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Explanation:

6 0

3 years ago

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Coulomb's Law Two point charges experience an attractive force of 10.8 N when they are separated by 2.4 m. VWhat force in newton

SashulF [63]

Answer:

The force between the charges when the separation decreases to 0.7 meters equals 126.955 Newtons

Explanation:

We know that for two point charges of magnitude $q_{1},q_{2}$ the magnitude of force between them is given by

$F=\frac{k_{e}q_{1}\cdot q_{2}}{r^{2}}$

where

$k_{e}$ is constant

$r$ is the separation between the charges

Initially when the charges are separated by 2.4 meters the force can be calculated as

$F_{1}=\frac{k_{e}\cdot q_{1}q_{2}}{2.4^{2}}\\\\10.8=\frac{k_{e}\cdot q_{1}q_{2}}{2.4^{2}}\\\\\therefore k_{e}\cdot q_{1}q_{2}=10.8\times 2.4^{2}=62.208$

Now when the separation is reduced to 0.7 meters the force is similarly calculated as

$F_{2}=\frac{k_{e}\cdot q_{1}q_{2}}{0.7^{2}}$

Applying value of the constant we get

$F_{1}=\frac{62.208}{0.7^{2}}$

Thus $F_{2}=126.955Newtons$

5 0

3 years ago

Select the correct answer.

melomori [17]

Answer:

starburst

Explanation:

There are many different kinds of "hazard symbols," which are being used in order for people to recognize what kind of material they are handling. When it comes to "pictograms," the symbol for a hazard class of explosive is an exploding bomb that shows a starburst effect. An example of such chemical is the "organic peroxide" and other self-reactive chemicals.

A "flame" is a hazard symbol for flammable substances. A "gas cylinder" is a hazard symbol for gases that are located in containers that are under pressure. A "test tube" is a hazard symbol for substances/materials that cause corrosion to skin.

3 0

3 years ago