- Electrical Instruments (Ammeter, Voltmeter & Wattmeter) and their use to measure Power
- Determination of the resistances of a) Sliding Rheostat. b) Voltmeter. c) Incandescent lamp.
- Determination of resistance of a wire by a micrometer.
- Determination of temperature co-efficient of copper by ammeter-voltmeter methods.
- Verification of Ohm’s law.
- Verification of laws of combination of resistances.
- Study of various types of resistors and determination of resistance by color-coding.
- Measurement of power by Voltmeter-ammeter method and wattmeter.
- Study of connections of the thermal relay.
- Measurement of energy by energy meter.
- Verification of Kirchhoff’s Laws.
- Determination of the efficiency of an Electric Kettle.
- Make an electromagnet.
- Study of the force on a current-carrying conductor in the magnetic field.
- Verification of Faraday’s laws of electromagnet induction.
- Study of Generator
- Study of Transformer
- Study the production of e.m.f in coupled coils by changing current in one coil.
- Study of self-induction of a coil and effect of introducing iron core in it.
- Study of various types of capacitors and Inductors.
- Determination of the capacity of capacitors by color-coding.
- Verification of the laws of the combination of capacitors.
- Determination of breakdown voltage of a low-voltage capacitor.
- Study of C.R.O. and measurement of the sine wave.
- Determination of average and R.M.S values and sine wave (on graph paper)
- Particulars of Experimental Studies
- Determination of inductance of a choke coil using ammeter and voltmeter method.
- Determination of impedance of a resistive-inductive series circuit.
- Study of phase displacement by C.R.O.
- Determination of power consumed by a fan/choke by a 3-ammeter method.
- Determination of power-factor of a single-phase circuit using a voltmeter, ammeter, and wattmeter.
- Measurement of power factor of a single-phase circuit using a power factor meter.
- Determination of resonance frequency of a series circuit using variable frequency oscillator.
- Study of the effects of capacitors on the power of an inductive circuit.
- Study of an elementary polyphase generator.
- Verification of the line and phase relationship in star and delta connections.
- Study of 3-Phase, 4-wire distribution network.
- Measurement of power of a 3-phase load by a 3-wattmeter method.
- Measurement of power of a 3-phase load by a 2-wattmeter method.
- Measurement of 3-phase power by one-watt meter method.
- Determination of phase sequence by phase sequence meter.
- Measurement of reactive power, in a 3-phase balanced circuit.
- Measurement of power in 3 phase circuit using phase angle meter.
- Measurements of 3-Phase load energy using C.T. & P.T.
- Improvement of power factor of an inductive load using capacitors and its verification.
- Determination of current in neutral wire in balanced & unbalanced load.