Test # 31
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Precautions while using Cathode Ray Oscilloscope
Connecting the cro to the circuit
It is most important, when connecting the CRO to make a circuit measurement, to remember that the CRO can only take readings of VOLTAGES. This means that the CRO should always be connected in PARALELL to the circuit element over which we are trying to find the voltage.We now need to select which device we will use to connect the CRO to the circuit. The two devices that we have to choose from are the X10 Probe and the Coaxial Cable. In almost all cases we will use the Coaxial Cable as the X10 Probe is only required when we wish to make extremely accurate readings.