Electromagnetism
-                            LEEM-1 Helmholtz Coil Magnetic Field Apparatus
-                            LEEM-2 Kev tsim kho ntawm Ammeter thiab Voltmeter
-                            LEEM-3 Electric Field Mapping Apparatus
-                            LEEM-4 Apparatus of Measuring Liquid Conductivity
-                            LEEM-5 Hall Effect Experimental Apparatus
-                            LEEM-6 Hall Effect Experimental Apparatus (nrog software)
-                            LEEM-7 Solenoid Magnetic Field Measurement Apparatus
-                            LEEM-8 Magnetoresistive Effect Experimental Apparatus
-                            LEEM-9 Magnetoresistive Sensor & Measuring Earth's Magnetic Field
-                            LEEM-10A Experimental Apparatus of PN Junction Characteristics
-                            LEEM-10 Experimental Apparatus of PN Junction Characteristics
-                            LEEM-11 Kev ntsuas ntawm VI Cov yam ntxwv ntawm cov khoom tsis sib xws
-                            LEEM-11A Kev ntsuas ntawm VI Cov yam ntxwv ntawm cov khoom tsis sib xws (Computer tswj)
-                            LEEM-12 Nonlinear Circuit Chaotic Experimental Apparatus
-                            LEEM-13 Interference, Diffraction & Polarization of Microwave
-                            LEEM-14 Sib Nqus Hysteresis Loop thiab Magnetization Curve
-                            LEEM-15 Sound Activated Switch Experiment
-                            LEEM-16 Dielectric Constant Apparatus
-                            LEEM-17 RLC Circuit Experiment
-                            LEEM-18 AC Bridge Experiment
-                            LEEM-19 Comprehensive Experimental Instrument for AC/DC Circuit and Choj
-                            LEEM-20 Electric Meter Modification and Calibration Experiment (Milliammeter)
-                            LEEM-21 Digital Multimeter Assembly Experiment
-                            LEEM-22 Four-Terminal Resistance Measurement Experiment
 
                 
