If you place a piece of paper containing a small letter "d" on the stage, what will the image look like under the microscope?
2 answers:
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Answer:
99 V
Explanation:
The effective voltage of an AC current (also called rms voltage) is given by
where
Vrms is the rms voltage
V0 is the peak voltage
In this problem, we know the effective voltage:
Therefore, we can re-arrange the equation to find the peak voltage:
Answer:
Current is calculated as the amount of charge that pass a point on a circuit per time.
Explanation:
Electric current is defined as the amount of charge that passes a point on a circuit per unit time. The mathematical definition of electric current is given by :
Where
q is a charge (Coulomb)
t is time (in seconds)
The SI unit of electric current is A. It is equivalent to C/s. So, the correct option is (A).