Podcast
Questions and Answers
What is the drawback of IIR (Infinite Impulse Response) filters?
What is the drawback of IIR (Infinite Impulse Response) filters?
What component of the current is I x sin(Φ) in an AC circuit known as?
What component of the current is I x sin(Φ) in an AC circuit known as?
Which equation is represented by Δ₂V = -P / E?
Which equation is represented by Δ₂V = -P / E?
What does full wave rectification require the minimum number of?
What does full wave rectification require the minimum number of?
Signup and view all the answers
Why should a shunt capacitor be connected to improve the power factor of a power system?
Why should a shunt capacitor be connected to improve the power factor of a power system?
Signup and view all the answers
According to the free electron theory in metals, why do electrons revolve?
According to the free electron theory in metals, why do electrons revolve?
Signup and view all the answers
What process in signal processing allows for the use of a uniformly quantizing rate?
What process in signal processing allows for the use of a uniformly quantizing rate?
Signup and view all the answers
Which communication system uses Frequency Shift Keying (FSK) primarily?
Which communication system uses Frequency Shift Keying (FSK) primarily?
Signup and view all the answers
What type of device is an LVDT (linear variable differential transformer)?
What type of device is an LVDT (linear variable differential transformer)?
Signup and view all the answers
What is the potential difference (voltage) between two similar charges?
What is the potential difference (voltage) between two similar charges?
Signup and view all the answers
In the context of a force-voltage analogy, which electrical component is analogous to mass?
In the context of a force-voltage analogy, which electrical component is analogous to mass?
Signup and view all the answers
What is the effect of top loading on an antenna?
What is the effect of top loading on an antenna?
Signup and view all the answers
What is the condition for a network to be non-linear?
What is the condition for a network to be non-linear?
Signup and view all the answers
Which instrument is used for DC measurement alone?
Which instrument is used for DC measurement alone?
Signup and view all the answers
What happens to line capacitance and line inductance as the height of the transmission tower is increased?
What happens to line capacitance and line inductance as the height of the transmission tower is increased?
Signup and view all the answers
What is the purpose of knowing the transfer function of a system?
What is the purpose of knowing the transfer function of a system?
Signup and view all the answers
What type of device is an SCR?
What type of device is an SCR?
Signup and view all the answers
What is the most commonly used transistor arrangement?
What is the most commonly used transistor arrangement?
Signup and view all the answers
Which relay is typically used on transformers?
Which relay is typically used on transformers?
Signup and view all the answers
At what voltage is solid grounding used?
At what voltage is solid grounding used?
Signup and view all the answers
What is the internal resistance of an ideal voltage source?
What is the internal resistance of an ideal voltage source?
Signup and view all the answers
Why does a moving iron ammeter coil have few turns of thick wire?
Why does a moving iron ammeter coil have few turns of thick wire?
Signup and view all the answers
What is the direction of electric lines of force about a negative charge?
What is the direction of electric lines of force about a negative charge?
Signup and view all the answers
What type of diode has a negative resistance characteristic?
What type of diode has a negative resistance characteristic?
Signup and view all the answers
What is the functionality of a Programmable Logic Controller (PLC)?
What is the functionality of a Programmable Logic Controller (PLC)?
Signup and view all the answers
What type of voltmeter has a uniform scale?
What type of voltmeter has a uniform scale?
Signup and view all the answers
What is the resonant frequency of a parallel RLC circuit with a voltage of 100V, an inductance of 0.1 H, a capacitance of 0.1 μF, and a resistance of 100 ohms?
What is the resonant frequency of a parallel RLC circuit with a voltage of 100V, an inductance of 0.1 H, a capacitance of 0.1 μF, and a resistance of 100 ohms?
Signup and view all the answers
What is the flag register in an 8051 microcontroller?
What is the flag register in an 8051 microcontroller?
Signup and view all the answers
What type of input does an oscillator convert to an AC waveform signal?
What type of input does an oscillator convert to an AC waveform signal?
Signup and view all the answers
What is consistency of an instrument related with?
What is consistency of an instrument related with?
Signup and view all the answers
Study Notes
Electrical Engineering
- Δ2 V = - P / E is called Poisson equation.
- Concept of sending/receiving text etc. on computer networks is Email.
- Drawback of IIR (Infinite impulse response) filters is Instability.
- Full wave rectification needs minimum number of diodes: 2.
- A circuit of zero lagging power factor behaves as An inductive circuit.
- To improve the power factor, a Shunt capacitor should be connected to the power system.
- When the air gap field between rotor and stator increases, the power factor of the machine Decreases.
- The power factor of an ac circuit is equal to: Cosine of the phase angle.
- In an ac circuit, I x sin (Phi) is called the Wattless component of the current.
- According to free electron theory, in metals, electrons revolve because of Constant V.
Power Systems
- The power factor of an induction motor Decreases when the air gap field between rotor and stator increases.
- To improve the power factor, a Shunt capacitor should be connected to the power system.
Electronics
- Frequency shift keying is used mostly in Telegraphy.
- LVDT (linear variable differential transformer) is an Electromechanical device.
- The autocorrelation function is an even function.
- Probability density function of thermal noise is Gaussian.
- If 360 coulomb charge is stored for a time period of 30 minutes, the current will be 200mA.
- The potential difference between two similar charges is Nil.
- In Force-voltage analogy, Mass is analogous to Inductance.
- Top loading is sometimes used with an antenna in order to Increase its effective height.
- A rhombic antenna is a Non-resonant antenna.
- The carrier of a 100% modulated AM wave is suppressed, the % power saving is 66.66%.
Communication Systems
- Companding is the process in which the signal is first compressed before modulation and expanded after demodulation.
- Frequency shift keying is used mostly in Telegraphy.
- The carrier of a 100% modulated AM wave is suppressed, the % power saving is 66.66%.
Control Systems
- The knowledge of transfer function of a system is necessary for the calculation of Output for a given input, Steady state gain, Order of the system, Time constant, and All of the above.
- The most commonly used transistor arrangement is Common emitter.
- The SCR is a Uni-directional device.
Electrical Machines
- The shunt derived series fed feedback in an amplifier is used in Buchholz's relay.
- Buchholz's relay is used on transformers.
Measurement and Instrumentation
- The instrument used for DC measurement alone is the Permanent magnet type.
- The moving iron ammeter coil has few turns of thick wire in order to have Low resistance.
- The accuracy of an instrument is defined as the measure of instrument by which it Is error free.
Digital Electronics
- A digital signal is Discrete in both amplitude and time.
- A diode that has a negative resistance characteristic is the Tunnel diode.
- The duration of pulse response is finite for FIR filters.
Microcontrollers
- The flag register in 8051 microcontroller is the Program status word.
Miscellaneous
- Quality factor (Q-factor) of tuned circuit is referred to as the Selectivity property.
- Consistency of an instrument is related with Reliability.
- An oscillator converts DC power input to AC waveform signal.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge on electrical engineering topics such as relays used in transformers, solid grounding for different voltage levels, ideal voltage source internal resistance, and ideal current source internal resistance.
