A.C Fundamentals, Circuits and Circuit Theory Multiple Choice Questions

A.C Fundamentals, Circuits and Circuit Theory

Question 1.

Which of the following refers to a parallel circuit?

A.

 The current through each element is same

B.

 The voltage across element is in proportion to it's resistance value

C.

 The equivalent resistance is greater than any one of the resistors

D.

 The current through any one element is less than the source current

Explanation :

Explanation Not Provided

Question 2.

In any A.C. circuit always

A.

 Apparent power is more than actual power

B.

 Reactive power is more than apparent power

C.

 Actual power is more than reactive power

D.

 Reactive power is more than actual power

Explanation :

Explanation Not Provided

Question 3.

The transient currents are associated with the

A.

 Changes in the stored energy in the inductors and capacitors

B.

 Impedance of the circuit

C.

 Applied voltage to the circuit

D.

 Resistance of the circuit

Explanation :

Explanation Not Provided

Question 4.

The inductance of a coil can be increased by

A.

 Increasing core length

B.

 Decreasing the number of turns

C.

 Decreasing the diameter of the former

D.

 Choosing core material having high relative permeability

Explanation :

Explanation Not Provided

Question 5.

Power factor of an electrical circuit is equal to

A.

 R/Z

B.

 Cosine of phase angle difference between current and voltage

C.

 Ratio of useful current to total current Iw/I

D.

 All above

Explanation :

Explanation Not Provided

Topics

Analog Electronics MCQs Automatic Control Systems MCQs Communication Systems MCQs Digital Electronics MCQs Electromagnetic Field Theory MCQs Electromagnetic Induction MCQs Electronic Devices and Circuits MCQs Materials and Components MCQs Measurement and Instrumentation MCQs Microprocessors MCQs Microwave Communication MCQs Networks Analysis and Synthesis MCQs Power Electronics MCQs Radio Receivers MCQs Satellite Communication MCQs A.C Fundamentals, Circuits and Circuit Theory MCQs RL Circuits MCQs RC Circuits MCQs RLC Circuits and Resonance MCQs Circuit Theorems and Conversions MCQs Circuit Theorems In Ac Analysis MCQs Integrated Circuits MCQs Magnetic Circuit MCQs Parallel Circuits MCQs Series Circuits MCQs Series Parallel Circuits MCQs Solid State Switching Circuits MCQs Time Response of Reactive Circuits MCQs Branch, Loop and Node Analyses MCQs Electrical Engineering Materials MCQs Electronics and Instrumentation MCQs Electrical Machine Design MCQs D.C. Generators MCQs D.C. Motors MCQs Capacitors MCQs Current Electricity MCQs Earthing or Grounding MCQs Electric Traction MCQs Electrical Cables MCQs Electrical Control Systems MCQs Electrical Inductors MCQs Electrolysis and Storage of Batteries MCQs Electrostatics MCQs Switchgear Protections MCQs Synchronous Motors MCQs Polyphase Induction Motors MCQs Single Phase Induction Motors MCQs Energy and Power MCQs Economics of Power Generation MCQs Power Plant Engineering in EE MCQs Regulated DC Power Supply MCQs FET(Field Effect Transistors) MCQs Heating and Welding MCQs Hybrid Parameters MCQs Industrial Drivers MCQs Rectifiers and Converters MCQs Magnetism and Electromagnetism MCQs Modulation and Demodulation MCQs Ohms Law MCQs Transistors MCQs OP amp MCQs Single Stage Transistor Amplifiers MCQs Multistage Transistor Amplifiers MCQs Transistor Audio Power Amplifiers MCQs Amplifiers With Negative Feedback MCQs Passive Filters MCQs Oscillators MCQs Voltage, Current and Resistance MCQs Alternating Current and Voltage MCQs Semiconductor Theory MCQs Semiconductor Diode MCQs Silicon Controlled Rectifiers MCQs Three Phase Systems In Power Applications MCQs Transformers MCQs Transmission and Distribution MCQs