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GarryVolchara [31]
3 years ago
7

• Describe the importance of a commonly used measuring system. Be prepared to give two examples of why having a common system of

measurement is important.
1.
2.
Physics
1 answer:
IrinaVladis [17]3 years ago
3 0
Metric system. important because it saves us time due to the fact that we do not have to convert our units every time. 
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What is the maximum magnitude of charge that can be placed on each plate if the electric field in the region between the plates
34kurt

The given question is incomplete. The complete question is as follows.

A parallel-plate capacitor has capacitance C_{0} = 8.50 pF when there is air between the plates. The separation between the plates is 1.00 mm.

What is the maximum magnitude of charge that can be placed on each plate if the electric field in the region between the plates is not to exceed 3.00 \times 10^{4} V/m?

Explanation:

It is known that relation between electric field and the voltage is as follows.

             V = Ed

Now,  

              Q = CV

or,           Q = C \times Ed

Therefore, substitute the values into the above formula as follows.

              Q = C \times Ed

                  = 8.50 pF \times (\frac{10^{-12} F}{1 pF})(3 \times 10^{4} m/s)(1 mm)(\frac{10^{-3} m}{1 mm})

                  = 2.55 \times 10^{-10} C

Hence, we can conclude that the maximum magnitude of charge that can be placed on each given plate is 2.55 \times 10^{-10} C.

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The angular momentum of an electron in each of its orbits must be some multiple of:
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The Bohr's proposal for the angular momentum of an electron in Bohr's model of the hydrogen atom is:

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The basic unit of electric current is the
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