# Circuit Lab  Lab Incharge: Ganesh Bhandari, ganeshbhandari@pcampus.edu.np

Lab Technician: Anil Kumar Raut

1. Basic Electrical Lab

This lab is based on basic electrical theories and their practical applications which comes under the subject “Basic Electrical Engineering”. First-year students from different departments do this lab. There is a total of 6 lab assignments. The major devices and equipment used in this lab are; Multimeters, R-load, L-load, C-load, AC motor, Analog, and digital ammeters/ voltmeters, Digital/ Analog Oscilloscope, Connecting leads, Wattmeter, Function Generators, etc to mention a few. Following labs are carried out:

1. Measurement of Voltage, current & power in DC circuit, Verification of Ohm’s Law experimentally.
2. Verification of temperature effects in Resistance experimentally.
3. Verification of Kirchhoff’s Voltage & Current Laws experimentally.
4. Handling of the oscilloscope to measure amplitude, frequency, and time with an oscilloscope. Also, to calculate & verify average and RMS value; to examine phase relation in RL & RC circuit
5. Measurements of alternating quantities R, RL, RC circuits with AC excitation; AC power, power factor, VARs, phasor diagrams; three-phase AC circuits: To measure currents and voltages in three-phase balanced AC circuits. Also, To prove Y-∆ transformation.
6. Measurement of Voltage, current& power in a three-phase circuit; two-wattmeter method of power measurement in R, RL, and RC three-phase circuits; Watts ratio curve

2. Electric Circuit Theory Lab

This lab is based on the subject “Electric Circuit Theory” which is a core subject of our second-year students. There is a total of 5 labs. They use digital oscilloscopes, function generators, etc to carry out the labs. Some of these labs are done using MATLAB. Following labs are carried out:

1. Resonance in RLC series circuit
2. Transient Response in first Order System passive circuits
3. Transient Response in Second Order System passive circuits
4. Frequency Response of first order passive circuits
5. Frequency Response of second order passive circuits