Pointer multimeter ntsuas potentiometer
(1) Kho cov iav sib thooj.
(2) Ntsuas seb cov pins ntawm ob sab ntawm lub potentiometer puas zoo ib yam nrog cov scalar. (0, infinity, thiab inconsistent nrog scalar tag nrho qhia kev noj nyiaj txiag)
(3) Ntsuas lub nruab nrab ko taw thiab sab taw nrog ib tug multimeter, tig lub ncej kom pom tias tus nqi kuj hloov smoothly, seb tus nqi siab tshaj plaws yog raws li qhov scalar, thiab seb tus nqi qis tshaj yog 0.
(4) Rau potentiometers nrog cov keyboards, xyuas seb "on-off" puas zoo li qub.
