amps, volts and ohms units of electrical measurement
TRANSCRIPT
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Amps, Volts and Ohms
Units of Electrical Measurement
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Units of Electrical Measurement
1. Amperes: (Amps) a measure of the number of electrons in an electrical current.
• 1 Amp= 6,281,000,000,000,000,000 electrons• (six quintillion two hundred eighty one quadrillion)
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Units of Electrical Measurement
2. Voltage: A measure of electrical pressure, force or push on electrons in a circuit.
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Units of Electrical Measurement
• Ohms: A measure of the resistance to the flow of electrons in a circuit.
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Ohm’s law
•states the mathematical relationship between current, voltage and ohms of resistance.
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
Ampere“Current”
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
Ampere“Current”
Ammeter
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
Ampere“Current”
Ammeter Amp
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
Ampere“Current”
Ammeter Amp a
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
Ampere“Current”
Ammeter Amp a I
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
Ampere“Current”
Ammeter Amp a IVoltage
PressureEMF
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
Ampere“Current”
Ammeter Amp a IVoltage
PressureEMF
Voltmeter
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
Ampere“Current”
Ammeter Amp a IVoltage
PressureEMF
Voltmeter Volt
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
Ampere“Current”
Ammeter Amp a IVoltage
PressureEMF
Voltmeter Volt v
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
Ampere“Current”
Ammeter Amp a IVoltage
PressureEMF
Voltmeter Volt v E
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
Ampere“Current”
Ammeter Amp a IVoltage
PressureEMF
Voltmeter Volt v E
OhmsResistance
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
Ampere“Current”
Ammeter Amp a IVoltage
PressureEMF
Voltmeter Volt v EOhms
ResistanceOhmmeter
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
Ampere“Current”
Ammeter Amp a IVoltage
PressureEMF
Voltmeter Volt v EOhms
ResistanceOhmmeter Ohms
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
Ampere“Current”
Ammeter Amp a IVoltage
PressureEMF
Voltmeter Volt v EOhms
ResistanceOhmmeter Ohms Ω
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Quanity Measured
Measuring Instrument
Unit Abrevi-ation
Ohms Law Symbol
Ampere“Current”
Ammeter Amp a IVoltage
PressureEMF
Voltmeter Volt v E
OhmsResistance
Ohmmeter Ohms Ω R