Consider again the two wires in Figure P20 79 For what value of the ratio I 1 I 2 is the magnetic field zero at (a) Point A, (b) Point B, (c) Point C Do your answers to this problem depend on the value of d A d 2 d C d B I2 2

Question: Consider again the two wires in Figure P20.79. For what value of the ratio I 1 /I 2 is the magnetic field zero at (a)

Consider again the two wires in Figure P20.79. For what value of the ratio I₁ /I₂ is the magnetic field zero at
(a) Point A,
(b) Point B,
(c) Point C? Do your answers to this problem depend on the value of d?

A d 2 d C d B I2 一2 す

A d 2 d C d B I2 2

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