Describe the difference between the currents that exist in the wires leading to a capacitor when these wires are connected to (a) a DC source and (b) an AC source.

Answers

Answer 1

Answer:

Explanation: In DC circuit, the current will flow for a short time, which is required to charge the capacitor. Once you switch it on, it spikes and the gradually decreases to almost zero (0) as the capacitor becomes fully charged.

In an AC circuit, the circuit acts as if the current is flowing throw the plates whereas is not actually flowing. The circuit acts like the AC is flowing through the capacitor.

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What is the highest degrees above the horizon the moon ever gets during the year in the Yakima Valley ?

A 2 kg wagon is at rest on a sidewalk. How much gravitational force is acting on the wagon?

Answers

F = ma
m = 2
a = g = 9.81 (since it is gravitational force we use 9.81 m/s^2)

F = 2(9.81) = 19.62N

The answer is 19.62N!

A source from which organisms generally take elements is called a/an A. exchange pool.
B. food web.
C. reservoir.
D. biotic community.
answered|Score .8

Answers

a source from which organisms generally take elements is called a food web

Which would be heavier—A ball of lead with a diameter of 2.00 cm or a cylinder of iron with a diameter of 3.00 cm and height of 8.00 cm.

Answers

Explanation:

i think a ball of lead with a diameter of 2.00 cm heavier

Why are nuclear power plants controversial

Answers

Because a nuclear meltdown can be caused if systems fail.

The scattering of a stream of positively charged particles when striking a thin film of gold confirms thatthe positive charge in an atom must be located in a dense central mass.atoms contain electrons in varying energy layers around the nucleus.

electrons are found in the center of an atom.

electrons can only be found within predicted areas surrounding the nucleus.

Answers

Answer: The correct statement is the positive charge in an atom must be located in a dense central mass.

Explanation:

Rutherford gave an experiment called as gold foil experiment.

In his experiment, he took a gold foil and bombarded it with alpha particles which carry positive charge of +2 units. He at first thought that the particles will pass straight through the foil, but to his surprise, many of them passed through, some of them deflected their path and a few of them bounced back straight from their path.

From this observations, he concluded that in an atom, there exist a small positive charge that is present at the center. Because of this positive charge, the alpha particles deflected their path and some of them bounced straight back their path.

Thus, the correct statement is the positive charge in an atom must be located in a dense central mass.

the positive charge in an atom must be located in a dense central mass

A solid magnesium flare has a mass of 1300 g and a volume of 743 cm3 what is the density of the magnesium