Chapter 29: Q. 4 (page 829)
What is the current direction in the wire of FIGURE Q29.4? Explain.
Current is flowing toward out of the paper.
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An antiproton (same properties as a proton except that ) is moving in the combined electric and magnetic fields of FIGURE. What are the magnitude and direction of the antiproton’s acceleration at this instant?
Determine the magnetic field direction that causes the charged particles shown in FIGURE to experience the indicated magnetic force.
What currents are needed to generate the magnetic field strengths of Table 29.1 at a pointfrom a long, straight wire?
The two insulated wires in FIGURE P29.42 cross at a angle but do not make electrical contact. Each wire carries a current. Points are each from the intersection and equally distant from both wires. What are the magnitude and direction of the magnetic fields at points ?
An electron moves along the with . As it passes the origin, what are the strength and direction of the magnetic field at the positions. (a) (1 cm, 0 cm, 0 cm) (b) (o cm, o cm, 1 cm)
(c) ( 0 cm, 1 cm, 1 cm)?
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