Large electric fields in cell membranes cause ions to move through the cell wall, as we will explore in a later chapter. The field strength in a typical membrane is 9.80 10^6 N/C. What is the magnitude of the force on a calcium ion with charge +e?

F = 1.568 × 10⁻¹² N

Explanation:

Given: E= 9.80 × 10⁶ N/C,

q  = 1.60 × 10⁻¹⁹ C ( charge on calcium ion with charge +e)

To Find: F= ? N

Solution:

We have an equation E = F/q

F= Eq = 9.80 × 10⁶ N/C ×  1.60 × 10⁻¹⁹ C

F = 1.568 × 10⁻¹² N

the current is 0.6

voltage ÷ resistance = current

so 12 ÷ 20 = 0.6

a electromagnetic waves