415 EXAM 2024.

415 EXAM 2024. The Left-Hand Rule - ANSWER The direction of the magnetic field around a wire when electron current flows through it can be determined by _______. Ferromagnetic - ANSWER 3. What are naturally magnetic materials called? Negative to positive - ANSWER 4. What is the direction of electron current flow? AC - ANSWER 5. What is the output of an elementary generator called? Commutation - ANSWER 6. What is the action in the elementary DC generator of converting AC to DC called? Reduce ripple - ANSWER 7. More-coils and commutator segments are added to the elementary DC generator armature in order to help it do what? Increased voltage output - ANSWER 8. What happens if more turns are added to each armature coil in a DC generator? The conductor is moved at right angles to flux from the magnetic poles - ANSWER 9. If a current carrying wire is placed perpendicular to a field created by two magnets of opposite polarity, what happens?