Question
Physics Question on Moving charges and magnetism
An infinitely long straight conductor carries a current of 5 A as shown. An electron is moving with a speed of 105 m/s parallel to the conductor. The perpendicular distance between the electron and the conductor is 20 cm at an instant. Calculate the magnitude of the force experienced by the electron at that instant
A
8×10-20N
B
4×10-20N
C
8π×10-20N
D
4π×10-20N
Answer
8×10-20N
Explanation
Solution
The correct answer is option (A): 8×10-20N