Electrical & Electronics Engineering

Download Q&A
Q. What does Kirchhoff's Voltage Law (KVL) state?
  • A. The sum of currents in a closed loop is zero
  • B. The sum of voltages in a closed loop is zero
  • C. The total power in a circuit is constant
  • D. The total resistance in a circuit is constant
Q. What does KVL (Kirchhoff's Voltage Law) state?
  • A. The sum of currents in a loop is zero
  • B. The sum of voltages in a closed loop is zero
  • C. The voltage across a resistor is constant
  • D. The total power in a circuit is zero
Q. What does KVL state about the voltages in a closed loop?
  • A. The sum of voltages is zero
  • B. The sum of currents is zero
  • C. The sum of resistances is zero
  • D. The sum of powers is zero
Q. What does the root locus technique help to analyze?
  • A. The frequency response of a system.
  • B. The stability of a system as gain varies.
  • C. The time response of a system.
  • D. The transfer function of a system.
Q. What does the root locus technique help to determine?
  • A. The frequency response of a system.
  • B. The stability of a system as gain varies.
  • C. The time response of a system.
  • D. The transfer function of a system.
Q. What does the root locus technique help to visualize?
  • A. The frequency response of a system.
  • B. The locations of the poles of a system as a parameter varies.
  • C. The step response of a system.
  • D. The transfer function of a system.
Q. What does the small-signal model of a diode help analyze?
  • A. High-frequency response
  • B. DC biasing conditions
  • C. Small variations around an operating point
  • D. Thermal stability
Q. What does the term 'gain margin' refer to in control systems?
  • A. The amount of gain increase before the system becomes unstable.
  • B. The maximum gain of the system.
  • C. The ratio of output to input.
  • D. The phase shift at which the system is stable.
Q. What does the term 'line loading' refer to?
  • A. The amount of power a line can carry
  • B. The physical weight of the conductors
  • C. The thermal capacity of the line
  • D. The voltage drop along the line
Q. What does the term 'load flow' analysis help determine in a transmission system?
  • A. The efficiency of transformers
  • B. The voltage drop across the line
  • C. The optimal routing of power
  • D. The maximum load capacity
Q. What does the term 'load flow' refer to in power systems?
  • A. The flow of energy from generation to consumption
  • B. The flow of reactive power only
  • C. The flow of energy in a single transmission line
  • D. The flow of energy during peak demand
Q. What does the term 'phasor' represent in AC analysis?
  • A. A time-domain signal
  • B. A complex number representing magnitude and phase
  • C. A type of resistor
  • D. A frequency component
Q. What does the term 'short-circuit current' refer to?
  • A. The current flowing during normal operation
  • B. The maximum current that can flow during a fault condition
  • C. The current flowing through a transformer
  • D. The current used for load flow calculations
Q. What does the term 'surge impedance' refer to in transmission lines?
  • A. The impedance at which power is maximized
  • B. The characteristic impedance of the line
  • C. The impedance due to load
  • D. The impedance of transformers
Q. What does the term 'threshold voltage' refer to in MOSFETs?
  • A. The maximum voltage rating
  • B. The minimum gate voltage required to create a conducting channel
  • C. The voltage drop across the drain-source
  • D. The voltage at which breakdown occurs
Q. What does the transfer function of a system represent?
  • A. The relationship between input and output in the time domain.
  • B. The relationship between input and output in the frequency domain.
  • C. The stability of the system.
  • D. The type of controller used.
Q. What does the transfer function represent in control systems?
  • A. The relationship between input and output in the time domain.
  • B. The relationship between input and output in the frequency domain.
  • C. The stability of the system.
  • D. The type of controller used.
Q. What effect does increasing the gain in a PID controller have?
  • A. It decreases the system's response time.
  • B. It increases the likelihood of instability.
  • C. It reduces the steady-state error.
  • D. It has no effect on the system.
Q. What happens to a diode when it is reverse-biased?
  • A. It conducts current freely
  • B. It blocks current flow
  • C. It generates heat
  • D. It amplifies the signal
Q. What happens to the current in a diode when the reverse voltage exceeds the breakdown voltage?
  • A. It stops conducting
  • B. It conducts in the reverse direction
  • C. It enters a state of thermal runaway
  • D. It conducts in the forward direction
Q. What happens to the drain current in a MOSFET when the gate-source voltage increases?
  • A. It decreases
  • B. It remains constant
  • C. It increases
  • D. It becomes zero
Q. What happens to the output of an operational amplifier when the input voltage exceeds the supply voltage?
  • A. Output saturates
  • B. Output increases linearly
  • C. Output decreases
  • D. Output becomes zero
Q. What happens to the output of an operational amplifier when the input voltages are equal?
  • A. Output is positive
  • B. Output is negative
  • C. Output is zero
  • D. Output is infinite
Q. What is a small-signal model used for in communication systems?
  • A. To analyze large signal behavior
  • B. To simplify the analysis of linear circuits
  • C. To design power amplifiers
  • D. To measure frequency response
Q. What is Ohm's Law?
  • A. V = I * R
  • B. P = V * I
  • C. I = V / R
  • D. R = V / I
Q. What is the bandgap energy of silicon at room temperature?
  • A. 0.1 eV
  • B. 1.1 eV
  • C. 2.0 eV
  • D. 3.5 eV
Q. What is the characteristic equation of a control system?
  • A. It is derived from the transfer function.
  • B. It describes the system's input-output relationship.
  • C. It is always a polynomial of degree one.
  • D. It determines the system's frequency response.
Q. What is the depletion region in a diode?
  • A. The area where current flows
  • B. The area with no charge carriers
  • C. The area of maximum conductivity
  • D. The area where voltage is applied
Q. What is the depletion region in a semiconductor?
  • A. A region with excess charge carriers
  • B. A region with no charge carriers
  • C. A region where electrons are free to move
  • D. A region that conducts electricity
Q. What is the effect of adding a proportional controller to a system?
  • A. It increases the steady-state error.
  • B. It decreases the system's response time.
  • C. It can improve stability.
  • D. It has no effect on the system.
Showing 181 to 210 of 668 (23 Pages)
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely