Compared to spiral galaxies, elliptical galaxies are:

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.

The correct answer should be b let me know if i’m wrong

Answer///(d) atoms contain small,negatively charged particles;