Inductors - Jia Zheng 111381607 Lab 7 Inductors Introduction In this lab we will be observe and measure the inductance of an inductor by three different

# Inductors - Jia Zheng 111381607 Lab 7 Inductors...

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Jia Zheng 111381607 Lab 7: Inductors Introduction: In this lab, we will be observe and measure the inductance of an inductor by three different ways, first, from first principles, using the geometry of the inductor; second, using an LR circuit; third, using an LC circuit. An inductor is a circuit component which resists a change in current. As the formula can be express by V L= -LI’(t). L= μ N 2 A l . For LR Circuits, LI’(t)=RI(t) =V0. I(t) =(I(0)−V 0/ R)^e −t/τ + V 0/ R . For LC circuits, LQ’’(t) + ( 1/C)Q(t)=V 0, Q(t)=CV 0 +(Q(0)−CV 0 )cos(ω 0 t)+ (I(0)/ω 0) sin(ω 0 t). As using the Kirchhoff’s Law to derive relationships between voltage, current, and resistance in each circuit element. An LRC circuit is an electric circuit that consists of a resistor, an inductor, and a capacitor, as it connected to either series or parallel. This is example of a resonant circuit. In a circuit, without the inductor, the voltage would be conserved, although my hypothesis is that there will be a logarithmic relationship between voltage and time. Producer: 1. The experiment materials include 1 Oscilloscope, 1 Function Generator ,1 Solenoid Coil, 1 Decade Resistor , 1 Decade Capacitor, and Banana cables (8) and alligator clips (8) 2. We Measure the length and diameter of your solenoid. 3. As we connect the circuit in an LR circuit, the wiring a red wire from the red terminal on the function generator to the red terminal of the decade resistor. We link the wire from the black terminal of the resistor to the left-hand side of the inductor. A black wire from the

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• Fall '08
• Gurvitch,M
• Inductance, Inductor, RC circuit, RL circuit, LC circuit

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