Question 47

∴ The greatest force happens at the greatest E.

∴ The greatest E happens at the greatest slope the graph

Question 50

Question 52

- Find the magnetic field outside a current-carrying wire
- Find the magnetic field inside a current-carrying wire
Question 55
Question 63
Question 65
Question 70
When a dielectric is inserted between the plates of a capacitor, the capacitance increases.












