A long straight wire carries a certain current and produces a magnetic field 
at a perpendicular distance of 5 cm from the wire. An electron situated at 5 cm from the wire moves with a velocity 
towards the wire along perpendicular to it. The force experienced by the electron will be (charge on electron 
A
B
C
D
zero.
Text Solution
Verified by ExpertsThe correct answer is:
B
The situation is as shown in the figure.
Here, 
The magnitude of the
force experienced by the electron is
( 
and 
are perpendicular to each other) 
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