Galvanometer

    #cartrivision

    #lithium fluoride

    #esp32 data logger

    #diy lab instruments

    #porphyrin ring

    #theremino spectrometer

    #galvanometer

    #induction coil

    #heinrich hertz

    #stephen gray

    #leyden jar

    #thomas electronics

    #crt tv

    #crt repair

    #crt tv repair

    #negotiable instruments law

    #ra 4540

    #loren legarda

    #senator legarda

    #ra 9003

    #ra 9994

    #republic act 9003

    #kinetic energy of a pendulum

    #galvanometer symbol

    #increase friction

    #ways to reduce friction