Which shows the correct order of forces, from weakest to strongest? o weak, strong, gravitational, electromagnetic
O electromagnetic, weak, strong, gravitational
O gravitational, weak, electromagnetic, strong
O weak, electromagnetic, gravitational, strong

Efficiency is an action of doing something. for example when you take a test. good efficiency means you did well but bad effeciency or no effiency means you did bad.

The modern-day generator works on the principle of electromagnetic induction discovered by michael faraday in 1831-32. faraday discovered that the above flow of electric charges could be induced by moving an electrical conductor, such as a wire that contains electric charges, in a magnetic field.