ECN 313332 IMP Questions for MSBTE Winter 2024 Exam

Welcome to Practicalkida, in this blog post, we share Electrical Circuits and Network ECN 313332 IMP Questions for the MSBTE Winter 2024 Exam.

Electrical engineering third-semester k scheme students must solve these questions.

ECN 313332 IMP Questions for MSBTE Winter 2024 Exam

• UNIT 1 Single Phase AC Series Circuits (16 M)
  • 2 Marks Questions

1. Draw impedance triangle for R-L series circuit. Write the nature of the power factor of this circuit.
2. Define impedance and reactance related to single-phase AC series circuits. Give the units of both.
3. Define the Quality factor of the series A.C. circuit.
4. Draw power triangle for R-C series circuit. State the nature of the power factor of this circuit.
5. Define active power and reactive power for the RLC series circuit.
6. Define RMS value and average value related to sinusoidal AC waveform.
7. Define impedance and state its unit.
8. Define the power factor and state its value for pure resistance.
9. Convert Z = 8 + j6 Ω in polar form and Z= 250∠60 in rectangular form.

• 4 Marks Questions

1. Draw a circuit diagram of the R.C. series circuit. Draw the impedance triangle and power triangle for the same circuit.
2. Derive the expression for resonance frequency for an RLC series circuit.
3. With a neat diagram, explain the phasor representation of sinusoidal quantity.
4. For a series R-L-C circuit, draw a neat circuit diagram. State the conditions for RLC series ckt. Draw a phasor diagram and voltage triangle impedance triangle for any 1 condition.
5. For a pure inductor connected across AC supply –
   • Write a current equation.
   • Draw voltage and current waveform.
   • Draw a phasor diagram.
   • State value of power consumed.
6. A series R-L-C circuit consists of R = 15 Ω, L = 0.5 H and C = 25μF. If the circuit is supplied from 230V, 50 Hz AC supply, determine:
   • (i) Circuit power factor
   • (ii) Active power
   • (iii) Reactive power
   • (iv) Apparent power
7. An inductive coil having a resistance of 5Ω and inductance of 0.2 H is connected in series with a capacitor of 20μF. If this combination is connected to 230 V, variable frequency supply, determine:
   • (i) Resonant frequency
   • (ii) Quality factor
   • (iii) Current at resonance
   • (iv) Voltage across the inductive coil at resonance.
8. Explain the Generation of single-phase ac supply by an elementary alternator with neat diagrams.
9. A resistance of 100Ω and 50μF capacitor are connected in series across a 230V, 50Hz supply. Find
   • i) Impedance
   • ii) Current flowing
   • iii) Voltage across resistance and capacitance
   • iv) Power factor and power.

Conclusion

In this blog post, we share Electrical Circuits and Network ECN 313332 IMP Questions for the MSBTE Winter 2024 Exam. If you found this blog post helpful, please share it with your friends.

MSBTE IMP Questions