Basic Engineering Circuit Analysis 13th
Edition by J. David Irwin & R. Mark
Nelms | Complete Questions With
Verified Solutions Latest 2026 Edition
What is the equivalent resistance when an alternating current of 0.3 A is in parallel with
an unknown resistance carrying 1.5 A and a known resistance of 3.75 ohms? -
ANSWER-The total equivalent resistance is 0.489 ohms.
What is the average current of a sinusoidal waveform with an amplitude of 15 amperes
at a frequency of 60 Hz? - ANSWER-The average current is 9.6 A.
What is the final reading of the thermometer in an electric heater with water flowing at
300 grams per minute, a voltage of 10 volts, and a current of 10 amperes? - ANSWER-
The final reading of the outlet thermometer is 68.4 deg. C.
What is the highest value of peak factor among different waveforms? - ANSWER-The
highest value of peak factor is for a Square Wave.
What is the same quantity for two wires made of the same material but different
diameters connected in series? - ANSWER-The current is the same for both wires.
What is the total resistance of two resistors designed to equal 50 ohms if the output
voltage is 10% of the input voltage? - ANSWER-The values of the two resistors are 49.5
ohms and 0.5 ohms.
What is the power drawn by a circuit with a power factor of 0.8 lagging rated at 40 kVA?
- ANSWER-The power drawn by the circuit is 32 kW.
What is the maximum power that can be delivered to a load with an internal resistance
of 0.01 ohm and a source voltage of 12V? - ANSWER-The maximum power that can be
delivered to the load is 7200W.
What is the ripple factor of a capacitor filter for a peak rectified voltage of 30V, capacitor
C=70uF, and a load current of 60mA? - ANSWER-The ripple factor is 6.7%.
What is the order of doping from lightly to heavily doped regions in a transistor? -
ANSWER-The order of doping is emitter, base, collector.
,What is the thermal voltage at room temperature? - ANSWER-The thermal voltage at
room temperature is approximately 24 mV.
What is the direction of the magnetic field within a magnet? - ANSWER-The direction of
the magnetic field within a magnet is from north to south.
What is the curl of the gradient of a scalar function U? - ANSWER-The curl of the
gradient of a scalar function U is equal to 0.
What is the average value of the function i=50sin(wt)+20sin(3wt) A? - ANSWER-The
average value of the function is 0 A.
What is the output voltage of a full-wave rectifier with a peak output voltage of 100 V? -
ANSWER-The PIV for each diode in a center-tapped full-wave rectifier is 100 V.
What is the distance between two points in cylindrical coordinates (5,3π/2,0) and
(5,π/2,10)? - ANSWER-The distance between the two points is 14.14.
What is the resonant frequency of a series RLC circuit with R=8.66 ohms, L=0.1062 H,
and C=75.8 microF? - ANSWER-The resonant frequency is 60 Hz.
What is the maximum current drawn by a load connected to a parallel circuit with an
external resistance of 3 ohms? - ANSWER-The maximum current drawn by the load is
0.50 A.
What is the ripple factor for a half-cycle average voltage of 12 V? - ANSWER-The ripple
factor is 1.21.
What is the breakdown mechanism in a lightly doped p-n junction under reverse biased
condition? - ANSWER-The breakdown mechanism is called Zener breakdown.
What is the average value of a sinusoidal current waveform? - ANSWER-The average
value of a sinusoidal current waveform is 0.
What is the relationship between the magnetic field and the current in a coil? -
ANSWER-The magnetic field is proportional to the current in the coil.
What is the significance of the power factor in AC circuits? - ANSWER-The power factor
indicates the efficiency of the circuit in converting electrical power into useful work.
What is the effect of decreasing filter capacitance in a rectifier circuit? - ANSWER-
Decreasing filter capacitance increases the ripple voltage.
What is the common-mode gain of the circuit? - ANSWER-The common-mode gain is
10.
, What is the differential-mode gain of the circuit? - ANSWER-The differential-mode gain
is 100,000.
What is the saturation value in an oscillator? - ANSWER-The saturation value is when
the drain current begins to decrease.
What is a Colpitts oscillator? - ANSWER-A Colpitts oscillator is a type of LC oscillator
that uses a split capacitor in the circuit.
What is a DIAC? - ANSWER-A DIAC is a semiconductor device that conducts current
only after its breakover voltage has been exceeded.
What is a Nyquist plot? - ANSWER-A Nyquist plot is used to plot gain and phase shift
as a function of frequency on a complex plane.
What configuration provides the greatest possible amplification? - ANSWER-The
common-emitter configuration provides the greatest possible amplification.
What is the typical gain for a 741 op amp? - ANSWER-The typical gain for a 741 op
amp is 200,000.
What is a TRIAC? - ANSWER-A TRIAC is a semiconductor device that can control
current in both directions.
What does a chopper do? - ANSWER-A chopper converts constant voltage DC into
variable voltage DC.
What is the average value of load current in a thyristor half-wave controlled converter? -
ANSWER-The average value of load current depends on the firing delay angle.
What is the function of a voltage-series amplifier? - ANSWER-A voltage-series amplifier
is designed to provide voltage gain while maintaining high input impedance.
What is the minimum value of Zener diode current? - ANSWER-The minimum value of
Zener diode current is necessary to ensure that the diode will turn on.
What is the logic gate that detects equality of two bits? - ANSWER-The logic gate that
detects equality of two bits is the XNOR gate.
What is the first commercial computer introduced in 1953? - ANSWER-The first
commercial computer introduced in 1953 is the UNIVAC.
What is the process to convert a binary number to Gray code? - ANSWER-To convert a
binary number to Gray code, the most significant bit remains the same, and each
subsequent bit is found by XORing the current bit with the previous bit.
Edition by J. David Irwin & R. Mark
Nelms | Complete Questions With
Verified Solutions Latest 2026 Edition
What is the equivalent resistance when an alternating current of 0.3 A is in parallel with
an unknown resistance carrying 1.5 A and a known resistance of 3.75 ohms? -
ANSWER-The total equivalent resistance is 0.489 ohms.
What is the average current of a sinusoidal waveform with an amplitude of 15 amperes
at a frequency of 60 Hz? - ANSWER-The average current is 9.6 A.
What is the final reading of the thermometer in an electric heater with water flowing at
300 grams per minute, a voltage of 10 volts, and a current of 10 amperes? - ANSWER-
The final reading of the outlet thermometer is 68.4 deg. C.
What is the highest value of peak factor among different waveforms? - ANSWER-The
highest value of peak factor is for a Square Wave.
What is the same quantity for two wires made of the same material but different
diameters connected in series? - ANSWER-The current is the same for both wires.
What is the total resistance of two resistors designed to equal 50 ohms if the output
voltage is 10% of the input voltage? - ANSWER-The values of the two resistors are 49.5
ohms and 0.5 ohms.
What is the power drawn by a circuit with a power factor of 0.8 lagging rated at 40 kVA?
- ANSWER-The power drawn by the circuit is 32 kW.
What is the maximum power that can be delivered to a load with an internal resistance
of 0.01 ohm and a source voltage of 12V? - ANSWER-The maximum power that can be
delivered to the load is 7200W.
What is the ripple factor of a capacitor filter for a peak rectified voltage of 30V, capacitor
C=70uF, and a load current of 60mA? - ANSWER-The ripple factor is 6.7%.
What is the order of doping from lightly to heavily doped regions in a transistor? -
ANSWER-The order of doping is emitter, base, collector.
,What is the thermal voltage at room temperature? - ANSWER-The thermal voltage at
room temperature is approximately 24 mV.
What is the direction of the magnetic field within a magnet? - ANSWER-The direction of
the magnetic field within a magnet is from north to south.
What is the curl of the gradient of a scalar function U? - ANSWER-The curl of the
gradient of a scalar function U is equal to 0.
What is the average value of the function i=50sin(wt)+20sin(3wt) A? - ANSWER-The
average value of the function is 0 A.
What is the output voltage of a full-wave rectifier with a peak output voltage of 100 V? -
ANSWER-The PIV for each diode in a center-tapped full-wave rectifier is 100 V.
What is the distance between two points in cylindrical coordinates (5,3π/2,0) and
(5,π/2,10)? - ANSWER-The distance between the two points is 14.14.
What is the resonant frequency of a series RLC circuit with R=8.66 ohms, L=0.1062 H,
and C=75.8 microF? - ANSWER-The resonant frequency is 60 Hz.
What is the maximum current drawn by a load connected to a parallel circuit with an
external resistance of 3 ohms? - ANSWER-The maximum current drawn by the load is
0.50 A.
What is the ripple factor for a half-cycle average voltage of 12 V? - ANSWER-The ripple
factor is 1.21.
What is the breakdown mechanism in a lightly doped p-n junction under reverse biased
condition? - ANSWER-The breakdown mechanism is called Zener breakdown.
What is the average value of a sinusoidal current waveform? - ANSWER-The average
value of a sinusoidal current waveform is 0.
What is the relationship between the magnetic field and the current in a coil? -
ANSWER-The magnetic field is proportional to the current in the coil.
What is the significance of the power factor in AC circuits? - ANSWER-The power factor
indicates the efficiency of the circuit in converting electrical power into useful work.
What is the effect of decreasing filter capacitance in a rectifier circuit? - ANSWER-
Decreasing filter capacitance increases the ripple voltage.
What is the common-mode gain of the circuit? - ANSWER-The common-mode gain is
10.
, What is the differential-mode gain of the circuit? - ANSWER-The differential-mode gain
is 100,000.
What is the saturation value in an oscillator? - ANSWER-The saturation value is when
the drain current begins to decrease.
What is a Colpitts oscillator? - ANSWER-A Colpitts oscillator is a type of LC oscillator
that uses a split capacitor in the circuit.
What is a DIAC? - ANSWER-A DIAC is a semiconductor device that conducts current
only after its breakover voltage has been exceeded.
What is a Nyquist plot? - ANSWER-A Nyquist plot is used to plot gain and phase shift
as a function of frequency on a complex plane.
What configuration provides the greatest possible amplification? - ANSWER-The
common-emitter configuration provides the greatest possible amplification.
What is the typical gain for a 741 op amp? - ANSWER-The typical gain for a 741 op
amp is 200,000.
What is a TRIAC? - ANSWER-A TRIAC is a semiconductor device that can control
current in both directions.
What does a chopper do? - ANSWER-A chopper converts constant voltage DC into
variable voltage DC.
What is the average value of load current in a thyristor half-wave controlled converter? -
ANSWER-The average value of load current depends on the firing delay angle.
What is the function of a voltage-series amplifier? - ANSWER-A voltage-series amplifier
is designed to provide voltage gain while maintaining high input impedance.
What is the minimum value of Zener diode current? - ANSWER-The minimum value of
Zener diode current is necessary to ensure that the diode will turn on.
What is the logic gate that detects equality of two bits? - ANSWER-The logic gate that
detects equality of two bits is the XNOR gate.
What is the first commercial computer introduced in 1953? - ANSWER-The first
commercial computer introduced in 1953 is the UNIVAC.
What is the process to convert a binary number to Gray code? - ANSWER-To convert a
binary number to Gray code, the most significant bit remains the same, and each
subsequent bit is found by XORing the current bit with the previous bit.
