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Objective The aim of the experiment is to understand the properties of the passive elements and the resonance Apparatus 1 Unknown Box 2 Passive Elements Resistors Inductors and Capacitors 3 AC Power supply 4 Connecting Wires 5 Multimeter Introductory Theory Passive elements Passive elements are elements that can either absorb energy or store energy There are 3 types of passive elements which are shown below Resistor A resistor is a two-terminal electrical or electronic component that resists an electric current by producing a voltage drop between its terminals in accordance with Ohms law Inductor An inductor is a passive electrical device employed in electrical circuits for its property of inductance It stores energy in magnetic form Capacitor A capacitor is a device that stores energy in the electric field created between a pair of conductors on which equal but opposite electric charges have been placed Black It is a box which contains an unknown passive element other than a resistor Both of them are connected in series Resonance A circuit is said to be in resonance when its impedance is equal to its resistance There are two types of resonant circuit Series and Parallel 2 types of resonant circuits are shown as the following Series Resonant Circuit Passive elements are connected in series Parallel Resonant Circuit Passive elements are connected in parallel Experiment 1 Unknown Component Aim The blackcontains an unknown passive element other than a resistor and it is connected to a resistor in series The objective is to find the unknown component in the black box Procedure 1 The unknown
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