Current<span> is a flow of electrical charge carriers, usually electrons or electron-deficient atoms. ... Physicists consider </span>current<span> to flow from relatively positive points to relatively negative points; this is called conventional </span>current<span> or Franklin </span>current. Electrons, the most common charge carriers, are negatively charged.
Voltage<span> is electric potential energy per unit charge, measured in joules per coulomb ( = volts). It is often referred to as "electric potential", which then must be distinguished from electric potential energy by noting that the "potential" is a "per-unit-charge" quantity.</span>
The electrical resistance<span> of a circuit component or device is defined as the ratio of the voltage applied to the electric current whichflows through it: If the </span>resistance<span> is constant over a considerable range of voltage, then Ohm's law, I = V/R, can be used to predict the behavior of the material.b
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To solve the problem it is necessary to apply the theory of sine waves. The wavelength λ of a sinusoidal waveform traveling at constant speed v is given by

Where,
v= velocity
f = frequency
Re-arrange to find v, we have

PART A ) Replacing with our values we have,


PART B) In the case of the period we know that it is defined as a function of frequency as,

That is to say that using the previously given values we have that the period in seconds is,

PART C) Finally the transverse wave velocity is given by,

Where,
T= Period
Linear mass density
Re-arrange to find 



Answer:
Erwin Chargaff.
Explanation:
Rule of Chargaff was that any cell organism from the DNA should maintain a ratio of 1:1, this ratio rule is called base pair rule.
And this ratio is maintain between pyrimidine and purine bases and the amount of cytosine should be equal to guanine and also the amount of thymine should be equal to adenine.
Both type of DNA strands show this pattern and this rule was discovered by a chemist who belong to Austria, named was Erwin Chargaff.
Answer:
I think it's bigger than most galaxies