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Questions and Answers
What is the primary function of a device consisting of two plates separated by a dielectric?
What is the primary function of a device consisting of two plates separated by a dielectric?
What is the mathematical process used to analyze a signal in the frequency domain?
What is the mathematical process used to analyze a signal in the frequency domain?
What type of memory is used to store data that can be electrically erased and reprogrammed?
What type of memory is used to store data that can be electrically erased and reprogrammed?
What is the time required for a current of 1 Ampere to transfer a charge of 30 Coulombs?
What is the time required for a current of 1 Ampere to transfer a charge of 30 Coulombs?
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What is the process by which an emf and hence current is generated in a conductor when there is a change in the magnetic flux linking the conductor?
What is the process by which an emf and hence current is generated in a conductor when there is a change in the magnetic flux linking the conductor?
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What is the identifying feature of a colpitts oscillator?
What is the identifying feature of a colpitts oscillator?
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What is the unit of conductance in the International System of Units (SI)?
What is the unit of conductance in the International System of Units (SI)?
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What is the range of optical power levels over which a receiver operates within the specified values?
What is the range of optical power levels over which a receiver operates within the specified values?
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What is the concept where a function approaches a certain value as the input gets arbitrarily close to a fixed value?
What is the concept where a function approaches a certain value as the input gets arbitrarily close to a fixed value?
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What type of antenna is circularly polarized?
What type of antenna is circularly polarized?
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What is the measure of the microwave power radiated from an antenna as a function of angular direction from the antenna axis?
What is the measure of the microwave power radiated from an antenna as a function of angular direction from the antenna axis?
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What is the process of adding an impurity to an intrinsic semiconductor?
What is the process of adding an impurity to an intrinsic semiconductor?
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Which type of crystal exhibits the highest piezoelectric activity?
Which type of crystal exhibits the highest piezoelectric activity?
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What type of oscillator has a frequency dependent on the charge and discharge of RC networks?
What type of oscillator has a frequency dependent on the charge and discharge of RC networks?
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Who discovered the magnetic effect of an electric current?
Who discovered the magnetic effect of an electric current?
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What is the first electronic computer that was completed in 1946?
What is the first electronic computer that was completed in 1946?
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Study Notes
Mathematical Concepts
- A limit is the value approached by a function as its independent variable approaches a fixed value.
- The Laplace Transform of an impulse function is 1.
Antennas and Electromagnetic Waves
- A helical antenna is a type of antenna that is circularly polarized.
- Beamwidth is a measure of the microwave power radiated from an antenna as a function of angular direction from the antenna axis.
Semiconductors
- Doping is the process of adding an impurity to an intrinsic semiconductor.
Electronics and Computer Systems
- ENIAC (Electronic Numerical Integrator and Computer) is the first electronic computer, completed in 1946.
- Electromagnetism is the branch of engineering that deals with the magnetic effects of electric current.
- Uninterruptable Power Supply (UPS) is a system that provides power backup to computers and other devices.
- Erasable Programmable Read-Only Memory (EPROM) is a type of memory that can be erased and reprogrammed.
- Programmable Logic Controller (PLC) is a type of computer used to control and monitor industrial processes.
- Capacitor is a device that consists of two plates separated by a dielectric and can store a charge.
- Flash is a type of Electrically Erasable Programmable Read-Only Memory.
Physics and Signal Processing
- Electromagnetic induction is the process by which an emf and hence current is generated or induced in a conductor when there is a change in the magnetic flux linking the conductor.
- Magnetic field intensity is a vector quantity.
- Fourier Transform is a mathematical process used extensively in digital signal processing (DSP).
- Photons are the fundamental particles of energy (quanta) when referring to light energy.
Oscillators and Circuit Analysis
- Relaxation oscillator is a type of oscillator whose frequency is dependent on the charge and discharge of RC networks.
- The Q factor of a coil can be given as ωL/R, where ω is the angular frequency, L is the inductance, and R is the resistance.
- KCL (Kirchhoff's Current Law) states that the sum of all currents into and out of a node equals zero.
Other Concepts
- Hans Christian Oersted discovered the magnetic effect.
- Rochelle salt is a type of crystal that exhibits the highest piezoelectric activity.
- Resistance has the greatest effect on the figure of merit in a circuit.
- Dynamic range refers to the range of optical power levels over which the receiver operates within the specified values.
- Echo is the reflection of sound.
- Siemens is the Standard International (SI) unit of conductance.
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Description
Test your knowledge of electronics and communication systems with these challenging questions. From limits to antennas, and microwave power to impurities, this quiz covers a range of topics.
