1. Which of the following, obtained during magneto check at 1,700 RPM, indicates a short (grounded) circuit between the right magneto primary and the ignition switch? A. BOTH—1,700 RPM, R—1,625 RPM, L—1,700 RPM, OFF—1,625 RPM. B. BOTH—1,700 RPM, R—0 RPM, L—1,700 RPM, OFF—0 RPM. C. BOTH—1,700 RPM, R—0 RPM, L—1,675 RPM, OFF—0 RPM.