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The following inductive circuit illustrates a common application of a diode to reduce current arcs (sparks) between the switch contacts when the switch is opened. Diodes used in this way are called flyback, freewheeling, or snubber diodes. Arcs can damage the switch and can create electromagnetic interference (EMI) that can affect surrounding circuits. Why does a switch arc when it is used to open an induc- tive circuit? What is the purpose of the diode? Consider the current flow in the inductor and how it changes as a function of time. Start with the switch closed and then describe what happens when it is opened. inductive load switch (eg, relay coil)

The following inductive circuit illustrates a common application of a diode to reduce current arcs (sparks) between the switch contacts when the switch is opened. Diodes used in this way are called flyback, freewheeling, or snubber diodes. Arcs can damage the switch and can create electromagnetic interference (EMI) that can affect surrounding circuits. Why does a switch arc when it is used to open an induc- tive circuit? What is the purpose of the diode? Consider the current flow in the inductor and how it changes as a function of time. Start with the switch closed and then describe what happens when it is opened. inductive load switch (eg, relay coil)

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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MECT361 Mechatronics Components and Instrumentation PLEASE GIVE ME THE short answer and wite it by keyword thanks
I CLASS DISCUSSION ITEM 3.1 Real Silicon Diode in a Half-Wave Rectifier In Example 3.1, we assumed that the diode was ideal. The first approximation to a real diode assumes that 0.7 V is required to forward bias the diode. Using the current-voltage relation shown by the dashed curve in Figure 3.6, show how the output of the half-wave rectifier would be different. I CLASS DISCUSSION ITEM 3.2 Inductive “Kick" The following inductive circuit illustrates a common application of a diode to reduce current arcs (sparks) between the switch contacts when the switch is opened. Diodes used in this way are called flyback, freewheeling, or snubber diodes. Arcs can damage the switch and can create electromagnetic interference (EMI) that can affect surrounding circuits. Why does a switch arc when it is used to open an induc- tive circuit? What is the purpose of the diode? Consider the current flow in the inductor and how it changes as a function of time. Start with the switch closed and then describe what happens when it is opened. inductive load switch (e.g., relay coil)
Transcribed Image Text:I CLASS DISCUSSION ITEM 3.1 Real Silicon Diode in a Half-Wave Rectifier In Example 3.1, we assumed that the diode was ideal. The first approximation to a real diode assumes that 0.7 V is required to forward bias the diode. Using the current-voltage relation shown by the dashed curve in Figure 3.6, show how the output of the half-wave rectifier would be different. I CLASS DISCUSSION ITEM 3.2 Inductive “Kick" The following inductive circuit illustrates a common application of a diode to reduce current arcs (sparks) between the switch contacts when the switch is opened. Diodes used in this way are called flyback, freewheeling, or snubber diodes. Arcs can damage the switch and can create electromagnetic interference (EMI) that can affect surrounding circuits. Why does a switch arc when it is used to open an induc- tive circuit? What is the purpose of the diode? Consider the current flow in the inductor and how it changes as a function of time. Start with the switch closed and then describe what happens when it is opened. inductive load switch (e.g., relay coil)
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