In a circuit diagram, a zigzag line drawn inside a circle represent a type of switch true or false

Answers

Answer 1

Answer: It is false that in a circuit diagram, a zigzag line drawn inside a circle represent a type of switch. It represents a type of resistor.

Answer 2

Answer: The zigzag line is a resistor but the circle indicates that it has some other aspect going on too, such as a temperature or light dependency. Although the symbols for those would usually have other things too, such as small wiggly arrows to indicate light.

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The school has 800 students with 20 students on the gymnastic team and 10 students on the chess team (including 3 students who are on both teams). How many students in the school are not members of either the gymnastic team or the chess team?

Answers

so first you add both gym and chess members then you minus to tht total amount of students: chess+gym=10+20=30 total students= 800 since the question asks how many people did not participate in either gym or chess so u minus: 800- 30 = 770
so the answer will be 770 did not participate in both gym and chess

this question seems like its too easy so i might have got it wrong.. but would't you just subtract 20 and 10 from 800 to get 770?

A ___ is an instrument that can detect and upcoming tornado.

Answers

A Doppler Radar is the answer.

a dopplar radar is an instrument that can detect and upcoming tornado

Which macromolecule forms a double layer as the primary structure of cell membranes?

Answers

A phospholipid is the macromolecule that forms the phospolipid bilayer of the cell membrane. A phospholipid is contained of two fatty acids. They form a bilayer that is hydrophobic on one side and hydrophillic on the other.

Answer:

Explanation:

Edge 2020

How does a frogs tympanic membrane work

Answers

It works just like a human tympannic membrane. They hear sounds through this structure as sound waves vibrate against the membrane. The men rane acts like a drum skin.

A frogs tympanic membrane, or tympanum, is the circular patch of skin directly behind its eye that we commonly call its eardrum. It functions much like our eardrum does - the tympanum transmits sound waves to the middle and inner ear, allowing a frog to hear both in the air and below water.

Why does warm soda go flat faster that chilled soda

Answers

The carbon gas is more warm, heat causes things to move quicker due to more kinetic energy. The reaction of letting the gasses be released happens quicker in the warm soda, opposed to the colder soda.

Gases dissolving decreases the entropy of the system, so the equilibrium shifts towards the side with greater entropy when temperature increases causing the gasses to escape faster in warmer liquids.

The use of wells to obtain drinking water is a modern convenience

Answers

Answer:

This is not true

Explanation:

Wells were used in olden days to store and use water. During those days mechanical pulleys were used to extract water out of wells but now a days modern pumps and lifting equipment are used for bringing underground water to the users.

These days water is supplied through pipes and no traditional bucket or rope is used for pulling out water out of the ground. Though wells exists even today but its usage as a primary source of fresh drinking water is no longer in system but rather they are preferred as water storage units.

Answer:

The use of wells to obtain drinking water is not a modern convenience. It might have been a convenience in the past, but with our technological advancements, the use of wells aren't that popular anymore. It is not disregarded though that the usage of wells aren't dropping to a stop since they are still utilized by people usually living in the rural areas. As for the convenience part, well it isn't as convenient as it seems since establishing the well itself would take so much work.

Explanation:

hope this helps

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