Concept explainers
The direct on of the magnetic force due to the magnetic field produced
by the wire for each particle.
Answer to Problem 9Q
Solution:
Direction of magnetic force in each case are shown in figure.
Explanation of Solution
Introduction:
Direction of magnetic field due to current carrying wire is given by right hand curl rule.
Right hand rule says that extend your right-hand thumb in the direction of current then direction of curl of your four fingers of right hand gives the direction of magnetic field.
Magnetic force is given by
Hence direction of magnetic field is given by vector product.
(a)For a:
Direction of
Direction of
So direction of is given by the direction of
Direction of is given by
Hence magnetic field is in y direction.
(b)For b
Direction of
Direction of
So direction of is given by of direction of direction of .
Direction of
Is acting towards x-axis as shown in figure.
(c)For C:
Direction of
Direction of
So direction of is given by direction of . Here charge is .
Direction of
( Sign is take for charge)
Direction of
Hence magnetic force active towards the y axis as shown in figure.
(d)For d:
Direction of
Direction of
So direction of is given by the direction of
Direction of is
Hence magnetic force is acting towards the x axis as shown in figure.
Chapter 20 Solutions
Physics: Principles with Applications
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