The rms value of current is0.414A, and the maximum value of current is 0.585A.
To find the answer, we have to study about the capacitive reactance.
<h3>How to find the rms and maximum value of current?</h3>
- We have the expression for rms value of current as,
where; Xc is the capacitive reactance of the circuit.
- We have the capacitive reactance as,
- Thus, the value of rms current will be,
- Thus, the maximum value of current will be,
Thus, we can conclude that, the rms value of current is0.414A, and the maximum value of current is 0.585A.
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For efficiency the top one is 50% and the bottom one is 72%
Answer:
Alcohol thermometers are used rather than mercury thermometers in very cold regions because alcohol has a lower freezing point than mercury. Pure ethanol freezes at -115 degrees C, while mercury freezes at -38 degrees C.
Explanation:
It is less durable because alcohol evaporates faster than mercury. It cannot measure high temperature because of a low boiling point. It wets the walls of the thermometer, which can adversely impact the accuracy of readings
The statement 'all energy in the universe is a result of mass being converted into energy' correctly describes mass-energy equivalence.
<h3>What is mass-energy equivalence?</h3>
The expression mass-energy equivalence refers to the proportion of matter that can be converted into energy in the universe.
This mass-energy equivalence is an outcome of process of converting mass into energy.
In conclusion, the statement 'all energy in the universe is a result of mass being converted into energy' correctly describes mass-energy equivalence.
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Answer:
Part a)
Part b)
Explanation:
Part a)
Change in potential energy of a charge is given as
here we know that
for proton
also we have
now we have
Part b)
Change in potential energy of a charge is given as
here we know that
for proton
also we have
now we have