A telephone cable at a place has four long straight horizontal wires carrying a current of 4.0 A in the same direction east to west. |
The earths magnetic field at the place is 0.39 G, and the angle of dip is \[35{}^\circ \]. The magnetic declination is nearly zero. What is the resultant magnetic field at points 4.0 cm below the cable? |
A) 0.25 G
B) 2.32 G
C) 1.93 G
D) 3.11G
Correct Answer: A
Solution :
[a] : Let us first decide the directions which can best represent Qwest the situation,You need to login to perform this action.
You will be redirected in
3 sec