Question

edc: electromagnets - plan
which of the following measurement tools would be useful in studying circuits that produce magnetic fields?
infrared camera
mass spectrometer
ph meter
multimeter

Explanation:

• An infrared camera detects thermal radiation, not circuit/magnetic field properties.
• A mass spectrometer analyzes chemical composition of samples, irrelevant to circuits.
• A pH meter measures acidity/alkalinity, unrelated to electrical circuits or magnetic fields.
• A multimeter measures electrical properties (voltage, current, resistance) of circuits; since magnetic fields from circuits depend on current flow, a multimeter is useful for studying these circuits.

Answer:

multimeter