<span>A moving electrical charge produces a magnetic field and a moving magnetic field produces an electrical field. An electromagnet works by coiling a bunch of wire and spinning a couple of magnets around that wire at high speeds. When this occurs the magnets induce an electric current in the wire and hence the electricity production. Once the magnets stop spinning, the induced electrical field dissipates and the current stops flowing through the wire.
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Answer:
They can use it for when they are dormant in the winter or to grow more sources for storing and creating energy, or they store the energy (this energy would be considered stored energy).
Answer:
i d k about that but I know it`s a Polish thing
A solid has a definite meaning that there is only one shape there can be meaning a solid has a definite volume
Answer:
The heat flows into the gas during this two-step process is 120 cal.
Explanation:
Given that,
Number of moles = 3
Heat capacity at constant volume = 4.9 cal/mol.K
Heat capacity at constant pressure = 6.9 cal/mol.K
Initial temperature = 300 K
Final temperature = 320 K
We need to calculate the heat flow in to gas at constant pressure
Using formula of heat

Put the value into the formula


We need to calculate the heat flow in to gas at constant volume
Using formula of heat

Put the value into the formula


We need to calculate the heat flows into the gas during two steps
Using formula of total heat



Hence, The heat flows into the gas during this two-step process is 120 cal.