**Bharat ***Electrical Technology* Lab Manual for Ist Year is the complete package for the students of B.tech who want to prepare practical of Electrical Technology.

The manual is written according to the latest syllabus of Kurukshetra University. This lab Manual covers 20 experiments wich are as follows:

- To verify Kirchoff’s current law and voltage law.
- To verify Thevenin’s Theorem and Norton’s Theorem

2.1 To verify Thevenin’s theorem and linear circuit with at least one voltage and one current source

2.2 To verify Norton’s theorem on a linear circuit with at least one voltage and one current source.

- To verify the Superposition theorem.

3.1 To verify superposition theorem on a linear circuit with at least one voltage and one current source.

- (i) To draw a graph between the Current Vs Capacitance in series R–L–C Circuit and calculate inductance using the result of resonance.

(ii) To study series R–L–C circuit and calculate resonant frequency using various values of inductors and capacitor and then calculate resonant frequency and Q. factor.

4.1 To study the frequency of a series R-L-C circuit on CRO and determine resonant frequency and Q-factor for various values of R, L, and C.

- To measure power in a 3-phase system by two wattmeter method.
- To perform the open circuit and short circuit test on a single-phase transformer.
- To perform a direct load test of a 1 transformer and plot a graph between efficiency Vs load current.
- To perform speed control of DC shunt motor.
- To perform open circuit (o.c.) and short circuit (s.c.) test on a three-phase induction motor.
- To calibrate single-phase energy meter at unity power factor for different load currents.
- To verify maximum power transfer theorem in DC and AC circuits.
- To verify the reciprocity theorem.
- To measure power using the three voltmeter method in a single-phase circuit.
- To study various meters.
- To perform a direct load test of a DC shunt generator and plot load voltage Vs load current curve.
- To plot V-curves of a synchronous motor.
- To measure power using three ammeter method.
- To study the frequency response of parallel R–L–C circuit and determine resonant frequency and Q–factor for various values of R, L, and C.

18.1 To study the frequency response of a parallel R-L-C circuit on CRO and determine resonant frequency and Q-factor for various values of R, L, and C.

- To perform starting and reversal of direction of a three-phase (3–f) induction Moter.
- To study connection and working of fluorescent tube