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โ 7y ago50
Anonymous
Period = 1 / frequency = 1/100 = 0.01 second.
You find the total of all the frequencies, N. Then the percentage for any frequency is 100*frequency/N.
The theoretical frequency of heads will be .5 and as you do more and more coin tosses the observed frequency should get closer and closer to .5. With 100 tosses, it will be pretty close, but not exactly .5
The answer to the equation 13,812 multiplied by 100 is 1,381,200.
what percentage is 4 of 8 - to works this out the equation is : (4/8)*100 = 50%
The frequency of an ultraviolet photon with a wavelength of 100 nm can be calculated using the equation: frequency = speed of light / wavelength. Plugging in the values (speed of light = 3 x 10^8 m/s, wavelength = 100 nm = 100 x 10^-9 m) gives a frequency of approximately 3 x 10^15 Hz.
A medium frequency current refers to an alternating current with a frequency typically between 1 kHz and 100 kHz. It is used in various electrical applications including industrial processes, medical treatments, and welding. The medium frequency range offers a balance between the skin effect of high frequencies and the power transmission efficiency of low frequencies.
An electric current that periodically changes direction is called an alternating current (AC). In AC circuits, the flow of electric charge reverses direction many times per second, typically at a frequency of either 50 or 60 Hz. This is in contrast to a direct current (DC) in which the flow of electric charge remains constant in one direction.
not 100% shaw but..... :) it depends when you charge it and for how long. :)
The equation is Ea = PNw(phi)/(pi) (see formated at http://www.sitmo.com/gg/latex/latex2png.2.php?z=100&eq=E_a%3D\frac{PNw\phi}{\pi}) where Ea is the induced voltage, P the number of poles of the machine, w the electric frequency in rad/s, (phi) the magnetic flux. referecen: A. E. Fitzgerald et. al. Electric Machinery, 6th edition. McGraw-Hill.
"The voltage in Japan is 100 Volt" (japan-guide.com, 2007) "The frequency of electric current is 50 Hertz in Eastern Japan (including Tokyo, Yokohama, Tohoku, Hokkaido) and 60 Hertz in Western Japan (including Nagoya, Osaka, Kyoto, Hiroshima, Shikoku, Kyushu)" (japan-guide.com, 2007)
Yes, the current through an inductor is E / 2 pi f L. This is Ohm's law, I = E / R, where R = XL = 2 pi f L.Doubling the voltage will double the current, doubling the frequency will halve the current, and doubling the inductance will halve the current. In the specific question, if the initial current is 100 mA, then doubling voltage, frequency, and inductance will result in a current of 50 mA.Look at the formula E / 2 pi f L. Current is proportional to voltage, and inversely proportional to frequency and inductance. You don't even have to do a calculation - you can solve this by inspection.
The wavelength corresponding to a frequency of 100 Hz can be calculated using the equation: wavelength = speed of light / frequency. For light in a vacuum, with a speed of approximately 3 x 10^8 m/s, the wavelength would be around 3 x 10^6 m or 3 million meters.
If current and voltage of an AC are in phase, then the "power factor" is 100%, and the load is a pure resistance, with no inductive or capacitive reactance (at least at the operating frequency of the AC).
XC = -1 / (2 pi f C)XC = about -2653 ohmsThe minus sign indicates the current is leading in the this case. Treat it as if the sign were not there.
DC stands for "direct current", AC for "alternating current". A direct current flows in a single direction; an alternating current changes its direction all the time, typicall 100 or 120 times a second (twice the frequency, which is measured in hertz).
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