Hot wire Voltmeter demo on glass plate, the thin wire at the bottom heats up when voltage is applied, expands, and makes the pointer move.

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Size: 3696px × 2448px
Photo credit: © Kim Christensen / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: ampere, current, demonstration, education, electricity, expansion, home, hot, indexing, instrument, mechanics, model, physics, pointer, red, resistor, retro, rms, science, spring, thermal, true, voltmeter, volts, wire