Amperes/Amp

Current is a measure of electron flow rate in an electrical circuit, analogous to water flow rate through a pipe, and is symbolized by I. Current is measured in amperes (amps), symbolized as A miUiamperes (milliamps), symbolized as mA or microamperes (microamps), symbolized as ptA. An ampere is an electron flow of 6.23 xlO18 electrons per second passing through the circuit. 

Answer The power demand will go down to 60 Amperes. Amp(ere)s are a form of electrical work. The units of work are foot-pounds. The feet of head developed by the pump is not affected by the specific gravity of the liquid. But the weight of liquid pumped is proportional to the specific gravity. If the specific gravity drops by 40 percent, and the liquid volume (GPM) stays constant, then the pounds lifted by the pump, drops by 40 percent and so does the electrical work. 

The final measurement that is commonly made is that of current, in amperes (amps). Again, the procedure is similar to those used for the other measurements. A major difference here is that when you connect an ammeter to measure the current that a circuit is drawing, you must connect the ammeter in series with the circuit being measured. Figure 1.24 illustrates the proper connection of a multimeter to measure current. 

CURRENT (I) - The electric flow in an electric circuit, which is expressed in amperes (amps). 

With respect to this data compilation, the base units for the SI system include meter (m), kilogram (kg), second (s), ampere (amp), and Celsius (°C). Derived units include newton (N) (kg m/s ), pascal (Pa) (N/m ), and joule (J) (N m). Many sources are available to convert Ifom English to SI units. 

The amount of copper deposited therefore depends upon the size of the current and the length of time it is allowed to flow. An electric current is a flow of negatively charged electrons and is measured in units called amperes (amps (A), for short). The tiny electrical charge on each electron can be expressed in units called coulombs (C). 

Charge is measured in coulombs (C) current is measured in amperes (amp or A). One ampere is one coulomb per second. See Appendix 1.12. 

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