Physics Lab Equipment

LEEI-52 Measurement of V-I Characteristics of Nonlinear Components

LEEI-52 Measurement of V-I Characteristics of Nonlinear Components

Features

  • Designed for college-level physics labs

  • Versatile applications

  • Comprehensive equipment




Introduction


The measurement of electrical properties of linear and nonlinear components using the V-I method is a fundamental topic in college-level physics labs. This apparatus allows students to explore the principles of current-limiting and voltage-dividing in series or parallel resistor configurations. It also enables the study of the electrical characteristics of various components, including regular diodes, Zener diodes, light-emitting diodes (LEDs), and tungsten bulbs.


LEEI-52 apparatus consists of a 5 VDC regulated power supply, a digital voltage meter, a digital current meter, variable resistors, a regular diode, a Zener diode, a light-emitting diode, a tungsten bulb and so on. 


Students using this apparatus will:  

1. Learn the method and basic circuitry for measuring V-I characteristics of nonlinear components.  

2. Understand and analyze the basic electrical characteristics of regular diodes, Zener diodes, and light-emitting diodes, including accurately determining their forward threshold voltages.  

3. Plot V-I characteristic curves for regular diodes, Zener diodes, LEDs, and tungsten bulbs.


The instruction manual contains experimental configurations, principles and step-by-step instructions. Please click Experiment Theory and Contents to find more information about this apparatus.


Specifications

DescriptionSpecifications
Voltage source+5 VDC, 0.5 A
Digital voltmeter0 ~ 1.999 V, resolution, 0.001V; 0 ~ 19.99 V, resolution 0.01 V
Digital ammeter0 ~ 200 mA, resolution 0.01 mA
Power consumption< 10 W


Part List

DescriptionQty
Main electric suitcase unit1
Connection wire10
Power cord1
Experimental instruction manual1


    LEEI-52-2.jpg

V-I characteristics of diode and Zener diode      LEEI-52-6.jpg

Measurement of  forward & reverse characteristics of a Zener diode

LEEI-52-4.jpg

Wiring of measuring a Tungsten bulb

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