While moving a box 10.0 m across the floor, Sam pushes with a force of 150 N to the right. The force friction acting on the box
1 answer:
You might be interested in
Answer
given,
number of turns, N = 400 turns
mean radius, R = 6 cm
Current, I = 0.25 A
relative permeability, K_m = 80
a) Magnetic field in the core
B = 2.67 x 10⁻² T
b) the amount of magnetic field due to atomic current
B = 2.63 x 10⁻² T