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The number of cycles per second of alternating current is measured by?
Wiki User
∙ 13y ago
Hertz (Hz). In the US, typical power that comes from wall sockets is 115 V at 60 Hz. One Hertz is "one cycle per second"; it's a basic unit of Frequency. So basically, the power from a wall socket is alternating at the frequency of 60 Hz. Musicians use the A above Middle C as a reference tone, and this note has a frequency of 440 Hz. Humans can hear tones in the range of about 15 Hz to 20,000 Hz. So, if you hooked up your wall power to a speaker (not recommended, obviously), you could hear the frequency.
Wiki User
∙ 15y ago
Wiki User
∙ 13y agoThe unit of measure is "Hertz" or Hz. In North America Alternating Current or AC is switching polarity 120 times per second or 60 cycles per second.
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The number of cycles per second is called?
Frequency, which is measured in Hertz (Hz)
What is the measure of the number of cycles per second called?
# of cycles per second is equal to frequency which is measured in Hertz frequency is the inverse of the period
Number of electrons flowing pass one point?
The passing charges is called, "Current", and the rate of those charges is measured in "Amperes", capitalized because the word is taken from a person's name. The common electrical units are: Electromotive Force, or EMF. Measured in Volts. Current. Measured in Amperes. Resistance. Measured in ohms.
How much is your robbins and Myers alternating current 110 volt list number 3202 ceiling fan worth and how do you sell it?
A Robbins and Myers alternating current 110 volt ceiling fan with a list number 3202 is worth between $25 and $100. You can sell it by taking it to a flea market or listing it in the local classifieds ad.
What is the difference between volts and current?
Electrical current is the number of elementary charge units (coulombs) that pass by a given point in one second. Current, measured in amperes, is coulombs per second. Electrical voltage is the "pressure" behind that current. Voltage, measured in volts, is joules per coulomb.
What does frequency mean in relation to alternating current?
Alternating current (AC) continually flows in one direction then it changes direction and flows the other way. This switching back and forth creates what is called a sinusoid or sine wave. Frequency is the rate of this back and forth switching in alternating current. Frequency is measured in Hertz (Hz) which is the number times a wave switches back and forth PER SECOND or better described as CYCLES PER SECOND.
An electric current is the measure of what?
An electric current is a movement of charges, and it is measured in amperes or just amps. An ammeter is used to make this measurement. Current flow is a scalar quantity, and it refers to the number of charges passing a given point per unit of time.
What is alternating current and give examples for this?
Alternating Current( AC ) constantly reverses itself as a result OS reversing electromotive force.One complete reversal is a cycle,and the number of cycles per second is the frequency of alternating current .The standard frequency of alternating current in the United States and the rest of North America is 60 Hz(1 Hz or hertz,equals 1 cycle per second )ex...Transformer,AC generator
How many megohms need to run a motor?
A megohm is a unit of resistance to the flow of electricity. The requirements of motors are given in terms of voltage, current, whether they are direct or alternating current and, if alternating current, the number of phases.
Is measured by the number of ticks per second?
The number of cycles per second, or frequency, is expressed in hertz, abbreviated Hz.
What is measured by the number of ticks per second?
The number of cycles per second, or frequency, is expressed in hertz, abbreviated Hz.
What property is measured and hertz and represents the number of cycles an object osicillates per unit of time?
The frequency.
WHAT THE RELATIONSHIP BETWEEN THE HERTZ AND CURRENT?
The domestic electricity supply is alternating current. Instead of a steady flow of electrons through your appliances, there is a movement in one direction followed by a movement in the opposite direction. For heating and lighting, alternating current has exactly the same effect as a direct current. Devices like transformers will only operate with alternating current. Hertz measures the number of cycles of positive and negative current per second. In the USA, the standard frequency is 60Hz and in Europe it is 50Hz. Now we come to the concepts of voltage and current. To understand the mains voltage, think in terms of electric pressure. The voltage is there whether you have anything plugged in or not. It rises to a maximum value, falls to zero then rises to a negative value and falls to zero again, all depending on the number of Hertz or cycles per second. For current, think in terms of the amount of electricity passing through the circuit per second. The amount of current that will flow depends on what you plug in. A lamp will draw a lot less current than a heater. Hertz doesn't have a direct relationship to the amount of current. It is a measure of how frequently the current changes.
Why is it incorrect to say AC current?
ac stands for alternating current so ac current means alterneting current current. its like entering your pin number on an ATM machine.
What unit is work measured in si hertz?
The hertz is a unit of frequency, which is defined as the number of cycles per second.
The number of cycles per second is called?
Frequency, which is measured in Hertz (Hz)
What is the number of times a cycle repeats itself in a given time?
It is the periodicity. If measured in the number of cycles per second, it is the frequency, and the measurement unit is a Hertz (Hz).
