Which best explains horatio’s error? magnetism is not produced by electric currents unless the wire is coiled. the magnetic fiel
2 answers:
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As we know that electrostatic force is a conservative force
so we can say by the condition of conservative force
here we can rearrange the above equation as
now integrate both sides
Now we know by the definition of work done by a force is given by
now work done by conservative force is given as
Now from above work done by electric field to move charge from one point to other is given as
so here work done is given as
so change in potential energy is given by work done
Answer:
final equilibrium temperature of the system is ZERO degree Celcius
Explanation:
Hear heat given by water + iron = heat absorbed by ice
so here first we will calculate the heat given by water + iron
now the heat absorbed by ice so that it will melt and come to the final temperature
now we will have
since it is coming out negative which is not possible so here the ice will not completely melt
so final equilibrium temperature of the system is ZERO degree Celcius