Lab218 - RL Circuits

# Lab218 - RL Circuits - Samuel Dzifanu Lab 118 RL Circuits...

This preview shows pages 1–2. Sign up to view the full content.

Samuel Dzifanu Lab 118: RL Circuits RL Circuits Name : Samuel Dzifanu Objective: The objective of this lab was to construct and analyze the current flowing in an RL Circuit. Theory: An inductor is a 2 terminal circuit element that stores energy in its magnetic field. They are usually constructed by winding a coil with wire. If a current I is flowing through an inductor, the voltage Vl across the inductor is proportional to the time rate of change of I or dIdt . = VL LdIdt , where L is the inductance in henries (H). In a series RL circuit with a voltage V(t), the voltage across the resistor andinductor are designated by Vr and Vl. Moreover Kirchoff’s law, which states that the voltage changes around the loop is zero, can be written as: + = VL VR V And assuming Rl =0 and letting = VL LdIdt and Vr = I*R becomes: + = LdIdt RI V . Therefore, the solution to the homogenous equation (V(t) = 0 => a short circuit) is = - It Ioe tLR , where Io is the current through the circuit at time t=0; and Vl becomes,

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 3

Lab218 - RL Circuits - Samuel Dzifanu Lab 118 RL Circuits...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online