A Digital Multimeter (DMM) is an essential electronic measuring instrument used to measure voltage (V), current (A), and resistance (Ω) in circuits. It combines the functions of a voltmeter, ammeter, and ohmmeter into a single compact device, making it a core tool in physics, electronics, and electrical labs.
Display: Large digital LCD screen
Functions:
DC/AC Voltage measurement (up to 600V or more)
DC/AC Current measurement (µA to 10A)
Resistance measurement (ohms to megaohms)
Continuity buzzer and diode test (in most models)
Design: Rotary switch for mode selection
Probes: Red and black test leads included
Power: Operates on 9V battery
Optional Features: Backlight display, auto-ranging, data hold
Measuring circuit parameters in Ohm’s Law, Kirchhoff’s Law, and electronics experiments
Used in CBSE/ICSE/State board, B.Sc., ITI, and engineering practicals
Suitable for troubleshooting circuits, testing components, and DIY projects
Essential for both theoretical learning and hands-on experiments
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