The following will increase the strength of a copper electromagnet;
Adding more loops to the wire
Increasing the current
Explanation:
An electromagnet, a device that transforms electric energy into magnetic energy, has its magnetic field induced by an electric current. This current must be AC (alternating current) and not Direct Current (D.C) for it to work. Increasing the number of coils in the electromagnet increases the number of field lines of interaction between the current and the paramagnetic material. Increasing the current also makes the magnetic stronger.
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Answer: The air molecules move closer together.
Explanation:
Actually the total abundance of the isotopes of any
element in this world must sum up to 100%. So we initially know that 12 C is
98.9 percent abundant, therefore the remaining of the 100 percent must be of 13
C, that is:
13 C = 100% - 98.9%
<span>13 C = 1.1% </span>
Pressurized gas is the term that is used to describe a gas that is compressed into a smaller space than it would normally occupy at Earth's surface.
Explanation:
The purpose of compressing a gas is to lessen its volume so that it can fit in a small space. Natural gas can be compressed using a compressor and the pressure of a compressed gas is 200 to 250 bars.
Pressurized gases are used in ground processing and space flight operations. Pressurized gas, also known as compressed gas is also used in fuel production and in gas pipelines.
When stored in a reservoir, care must be taken to avoid leakage as these gases compressed under high pressure are highly flammable.
Answer: I believe/don't believe that smoking increases the risk of lung cancer because...(add your three reasons if writing an essay)
Explanation:
Since a hypothesis is basically your inference, these hypothesis can vary.
:) Hope this helped
