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Testing Electrical & Electronics Components & Devices with Multimeter. How To Test Electrical & Electronics Components with Multimeter, How to Check Fuse, Switch, Cable & Wire, Capacitor, Resistor etc with DMM or AVO Multimeter


Because both inductive and capacitive reactance are frequency-dependent, so is the impedance Z of an oscillating circuit. The current I in the circuit is at a maximum when the impedance is at a minimum. This happens when the inductive and capacitive reactances are equal, i.e. XL = XC. The second added component under the root sign becomes zero, leaving the impedance as: