Rotor plates short to stator at maximum capacitance. Variable capacitors are often used in lc circuits to set the resonance frequency eg. Variable Capacitor Variable Capacitor Connection Variable Trimmer Variable Capacitors Motley Electronic Topics What Dielectric Strength Is Required For A Variable Tuning capacitors are popular type of variable capacitors. What are variable capacitors . Regular capacitors build up and store an electrical charge until its ready to use. Capacitors ship same day. To tune a radio therefore it is sometimes called a tuning capacitor or tuning condenser or as a variable reactance eg. Short can be defeated by bending brass strip away. The main types of variable capacitors are tuning capacitors and trimmer capacitors. Alps tuning gear variable capacitor 5 gang meshed 40 720pf homebrew loop antenna tuner qrp crystal ra...