I 3. Current head-on to point P: Consider the case where D P the current is heading straight toward the point where we want the magnetic field. What is the magnetic field at the point P shown? Hint: consider a small piece ds and think about what the Biot-Savart law tells you. H̟I ds x î dB 4tr2 Thin about the angle between ds and î.

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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3. Current head-on to point P: Consider the case where
the current is heading straight toward the point where
we want the magnetic field. What is the magnetic field
at the point P shown?
D
P
Hint: consider a small piece ds and think about what the Biot-Savart law tells you.
HoI ds x î
dB =
4rr2
Thin about the angle between ds and î.
Transcribed Image Text:ds 3. Current head-on to point P: Consider the case where the current is heading straight toward the point where we want the magnetic field. What is the magnetic field at the point P shown? D P Hint: consider a small piece ds and think about what the Biot-Savart law tells you. HoI ds x î dB = 4rr2 Thin about the angle between ds and î.
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