SV-GES-L4.2

Electricity, batteries, magnetism and measuring instruments

SV-GES-M4 · Electro-technology · SV-GES-M4-A DC circuits, cells, magnetism and instruments (GES II section 2), with a bridging lesson on AC.

What current is, where a yacht's electricity comes from, how a lead-acid cell works, the motor and generator principles, and how a basic meter is extended with **shunts and multipliers**.

Independent study. xplor is not an accredited training provider and awards no certificate or Certificate of Competency. GES I and II must be completed at an MCA-approved training provider and passed in the MCA Small Vessel Competency examinations unless the MCA grants an exemption under MSN 1904 section 8.6. AI-drafted content pending subject-matter-expert review.