Explain why buildings are wired using parallel circuits rather than series circuits

Answers

Answer 1

Answer: In a series circuit . . .

There is only one path for current to take.

All the way from one terminal of the power supply, through all of
the lights, computers, vending machines, air conditioners and
everything else in the building, to the other terminal of the electric
supply. One path !

So the current for EVERY device has to flow through ALL of them,
because that's the only path there is.

If any ONE device in the building was turned off, burned out, or
unplugged from the outlet, then there would be NO PATH for the
current, and everything in the building would lose power !

Not a very convenient way to operate a house or a building.

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Question 6 (1 point)Which fundamental force has not been successfully united with the others in a
particle accelerator?

- weak nuclear force

- electromagnetism

- strong nuclear force

- gravity

Answers

Answer:gravity

Explanation:

i just took the test and it was right!

The electromagnet shown below is made up of a coil of electrical wire wrapped around an iron core.Which of the following would decrease the strength of this electromagnet?

A adding batteries to the circuit
B removing its iron core
C increasing the current through the coil
D increasing the number of wire loops in the coil

Answers

Answer:

B. Removing its iron core

Explanation:

In an electromagnet role of its core is very important as it concentrate magnetic flux to make magnetic field more powerful. Generally core of electromagnet is made up of a ferromagnetic material or of a ferrimagnetic material such as iron. Adding batteries to the circuit and increasing the current through the coil and increasing loops in the coil will increase magnetic strength of an electromagnet.

Answer:

B. removing its iron core

Explanation:

The iron core inside of the wire coil increases the strength of an electromagnet. So removing the iron core would decrease the strength of an electromagnet.

Tom left for his friend's house. He drove 60 km in an hour. When he got to John's house, he wondered how fast he had been driving. What formula would he use to determine his speed?

Answers

Answer: Tom drove 60 km/hr fast

Speed = Distance traveled / time taken

Explanation:

Given that:

Distance traveled by Tom = 60 km

Time taken by Tom = 1 hour

Speed = ?

Since speed is obtained by dividing distance traveled by the time taken, hence the formula to use is as follows:

speed = distance / time

Speed = 60 km / 1 hour

Speed = 60 km/hr

Thus, Tom had been driving 60 km/hr fast, using the formula "speed = distance / time"

What are cirrus.cirrostratus. And cirrocumulus clouds made up of

Answers

1. All clouds are made up of tiny ice crystals or small water droplets that form together with a dust on the atmosphere.
Cirrus, cirrostratus and cirrocumulus are made up of ice crystals. It forms when the water vapor goes condensation at high altitudes in where the pressure on the atmosphere reaches the point from 600 mbar at 4000 meter above the sea level up to 200mbar at 12 000m above sea level. These clouds form thunderstorms, cyclones and contrails (a manmade cloud).

How do u know if a wave is a mechanical wave?

Answers

Basically, "mechanical wave" means that the wave involves actual movement

the wave is created by like a boat or something like that

How is amplitude related to loudness

Answers

The loudness of a sound is linked to the size of the vibration which produces it. A big vibration makes a louder sound. Scientists use the word 'amplitude' for the size of waves. For waves on water, it is easy to measure the amplitude.

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