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Activity: Operating the EquipmentActivity: Operating the Equipment
MeasurementMeasurement
2-9-2
í Measuring Data
u Prepare the Voltage Measurement Setup. At the same time you start the measurement
operation, move the switch to “ON” to connect the power supply.
u Wait until the circuit achieves a steady state.
u Prepare the Voltage Measurement Setup. At the same time you start the measurement
operation, move the switch to “OFF” to disconnect the power supply.
u Wait until the circuit achieves a steady state.
u Perform the above operation for the RC series circuit and the RL series circuit.
u Read and check the RC and R/L values from the graph.
í Calculator Operation
u Perform the following operation to prepare for voltage measurement using the voltage
probe.
Using E-CON
Using a Calculator Program
Find the applicable program in the Program Library (P.2-16-3), input it into your calculator,
and then run it.
u Graph results for when the power supply is connected and for when it is disconnected.
Voltage Change when Power Is Connected
Voltage Change when Power Is Disconnected
1 Switch
2 Power Supply
Connected
3 Power Supply Cut
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Other Things To Do
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u It appears as if combining the curve during capacitor charging and the curve
during capacitor discharging will produce a straight line with no change over time.
This, however, is not necessarily so. Consider the reason for this.
u In the case of the coil voltage curves as well, it appears as combining them as
expressions should produce a straight line. However, this also does not happen.
Consider the reason for this.
u Change the resistor, capacitor, and coil and find out how the voltage is affected.
u While the capacitor is charged, cut off the power supply and observe changes in
capacitor voltage with the circuit left open. Compare what you observe with the
change in voltage when the circuit is closed.
1 Switch
2 Power Supply
Connected
3 Power Supply Cut
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1(CASIO)b(Volt) 0.02w255w1(YES)