ELECTRICAL CIRCUITS-1 (Practical)

1. Show skill in using oscilloscope in measuring AC voltage & frequency.

1.1 Select the oscilloscope.

1.2 Select required tools and equipment.

1.3 Identify the control & function knobs of oscilloscope

1.4 Set the function knobs of oscilloscope as instructed.

1.5 Identify the control & function knobs of a signal generator.

1.6 Set the function knobs as instructed

1.7 Check all connections.

2. Show skill in verifying kerchief’s laws.

2.1 Select experiment circuit, components, meters and necessary materials.

2.2 Construct a series-parallel circuit.

2.3 Select the series section of the circuit.

2.4 Verify Kirchhoff’s voltage law.

2.5 Select the parallel section of the circuit.

2.6 Verify Kirchhoff’s current law.

3. Show skill in verifying Thevenin’s theorem.

3.1 Select an experiment circuit.

3.2 Select tools, equipment and circuit.

3.3 Construct the circuit as per diagram.

3.4 Mark the circuit as per diagram.

3.5 Measure open circuit voltage across the points.

3.6 Measure the equivalent resistance from the two points with appropriate condition.

3.7 Record Thevenin’s voltage and resistance.

3.8 Verify the data with the theoretical calculation.

4. Show skill in verifying Norton’s theorem.

4.1 Select an experiment circuit.

4.2 Select tools, equipment and circuit.

4.3 Construct the circuit as per diagram.

4.4 Mark the points for Norton’s equivalence.

4.5 Measure short circuit current at the points.

4.6 Measure the equivalent resistance/ conductance at the points with appropriate condition.

5. Show skill in verifying Superposition theorem.

5.1 Select an experiment-circuit.

5.2 Select tools, equipment and materials.

5.3 Construct the circuit with at least two sources of power supply.

5.4 Select a branch for superposition.

5.5 Activate one source at a time making other sources short circuited.

5.6 Measure the current though the selected branch.

5.7 Repeat the steps with all the .sources.

5.8 Add all the measured current algebraically for the selected branch.

5.9 Measure the current though the branch activating all the sources.

5.10 Compare the measured value with that of calculated value.

6. Show skill in maximum power transfer theorem.

6.1 Select an experiment-circuit.

6.2 Select tools, equipment and materials.

6.3 Connect the source according to circuit diagram.

6.4 Record and computing data.

6.5 Calculate the PL (Load power) using PL= lL 2 RL equation.

6.6 Verify maximum power transfer theorem.

7. Show skill in measuring effective resistance of a coll.

7.1 Draw the circuit diagram for determining the effective resistance.

7.2 Collect tools & equipment.

7.3 Correct the circuit according to the circuit diagram using proper equipment.

7.4 Check all connection points before actual operation.

7.5 Connect DC supply and record readings.

7.6 Calculate Ohmic resistance from the formula by recording relevant data:Rdc=Pdc/l2dc

7.8 Determine effective resistance from the formula Rac=Pac/l2ac

7.9 Compare the Ohmic resistance and effective resistance and find the ratio.

8. Show skill in determining the values of resistance & inductance and draw the vector diagram of RL series circuit.

8.1 Sketch the circuit diagram for determining resistance and inductance of a RL series circuit.

8.2 Collect tools, equipment and materials for the experiment.

8.3 Connect the circuit according to the circuit diagram using proper.

8.4 Check all connection points before actual operation.

8.5 Apply proper voltage & record readings from the meter.

8.6 Find the value of resistance & phase angle from relevant data.

8.7 Sketch the vector diagram with the relevant data as obtains.

9. Show skill in determining the values of resistance & capacitance and drawing vector diagram of RC series circuit.

9.1 Sketch the circuit diagram for RC series circuit.

9.2 Collect tools, equipment and materials for the experiment.

9.3 Connect the circuit according to the circuit diagram using proper equipment.

9.4 Check all connection points before actual operation & apply the voltage and record the relevant readings.

9.5 Determine the value if resistance, capacitance & phase angle from the data.

9.6 Sketch the vector diagram with the help of relevant data as obtained.

10. Show skill in determining the values of resistance & inductance, capacitance and draw the vector diagram from of RLC series circuit.

10.1 Sketch the circuit diagram for RLC series circuit

10.2 List tools, equipment and materials and for the experiment.

10.3 Connect the circuit according to the circuit diagram using proper equipment.

10.4 Check all connection points before actual operation.

10.5 Apply proper power supply to the circuit and record the readings from the meter.

10.6 Determine the values of resistance, inductance, capacitance and phase angle from the relevant data.

10.7 Verify the supply voltage is equal to the vector sum of voltage drop in each parameter.

10.8 Sketch the vector diagram with the help of relevant data as obtained.

11. Show skills in determining power factor of a RLC series circuit and drawing vector diagram.

11.1 Sketch the circuit diagram for RLC series circuit.

11.2 Collect tools, equipment and materials for the experiment

11.3 Connect the circuit according to the circuit diagram using proper equipment.

11.4 Check all connection point before actual operation.

11.5 Apply proper power supply to the circuit and record the readings from the meter.

11.6 Determine the value of phase angle and power factor from the relevant data.

11.7 Sketch the vector diagram with the relevant data.