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GCSE     >Measure<     Current     Frequency Meter     Logic Probe     Multimeter     Oscilloscope     Power     Voltmeter    

Measure


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  GCSE    Measurements  0 of 5    Question 1492    Measure Frequency Meter 
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Deadline not set1 of 5    Question 1493    Measure Frequency Meter 
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Deadline not set2 of 5    Question 1252    Measuring Voltage 
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Deadline not set3 of 5    Question 254    Test Equipment 
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Deadline not set4 of 5    Question 255    Test Equipment 
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Deadline not set5 of 5    Question 159    Voltage Measurement 
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When calculating remember always to use the whole SI unit such as Amps, Volts, Watts, Etc.

Quantity Units Measuring Instrument What Is It
Current Amps or Amperes Ammeter or multimeter A flow of charged particles (usually electrons)
Voltage Volts Volt Meter or multimeter The electromotive force that causes current to flow
Resistance Ohms Ohm meter or multimeter
Ammeter + Voltmeter
Resistance restricts the flow of current to a lower level
Ohms = Volts / Amps
Power Watts Ammeter + Voltmeter Volts x Amps
Energy Joules Ammeter + Voltmeter + Clock Volts x Amps x Seconds
Capacitance Farads Capacitance meter or some multimeters The ability to store charge (like water bucket size)
Charge Coulombs Ammeter + Clock Amps x Seconds
Frequency Hertz Frequency Meter or some multimeters This counts the number of cycles of a wave per second.
Time Seconds Clock or Oscilloscope Ask Stephen Hawking!

 

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