Answer:
anyone know this or should i get my brother
Answer:
636.619772368 A
Explanation:
= Torque = 
B = Magnetic field of Earth = 
A = Area
d = Diameter = 20 cm
Current is given by

The current is 636.619772368 A
Answer:
rightwards is the positive velocity
Rightwards is the positive elicitation:
It is a Semi-Conductor Hope this helped :D
The other force is also 'F'.
The forces on any two charged particles are opposite and EQUAL, and proportional to the product of the charges.