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Questions and Answers
The root mean square (rms) voltage is equal to the peak voltage (Vp) for sinusoidal voltages.
The root mean square (rms) voltage is equal to the peak voltage (Vp) for sinusoidal voltages.
False (B)
A function generator can only produce repetitive waveforms.
A function generator can only produce repetitive waveforms.
False (B)
The signal period is directly proportional to its frequency.
The signal period is directly proportional to its frequency.
False (B)
A sawtooth wave can be generated by a function generator.
A sawtooth wave can be generated by a function generator.
The frequency of a signal is measured in seconds.
The frequency of a signal is measured in seconds.
The impedance of a two-terminal network can be expressed as Z = V/I, where V is the complex voltage and I is the complex current.
The impedance of a two-terminal network can be expressed as Z = V/I, where V is the complex voltage and I is the complex current.
A function generator can generate a sinusoidal signal with a fixed amplitude and frequency.
A function generator can generate a sinusoidal signal with a fixed amplitude and frequency.
The phase angle of a waveform can be measured using a single channel of an oscilloscope.
The phase angle of a waveform can be measured using a single channel of an oscilloscope.
The time equation for a sinusoidal signal can be written as V = Vm sin(ωt + Ф).
The time equation for a sinusoidal signal can be written as V = Vm sin(ωt + Ф).
A frequency meter can be used to measure the RMS voltage of a signal.
A frequency meter can be used to measure the RMS voltage of a signal.
The phase angle between the current and the applied voltage is zero when the impedance of the circuit is purely resistive.
The phase angle between the current and the applied voltage is zero when the impedance of the circuit is purely resistive.
The oscilloscope can be used to measure the impedance of a circuit directly.
The oscilloscope can be used to measure the impedance of a circuit directly.
The frequency of the signal has no effect on the phasor diagram of an RLC circuit.
The frequency of the signal has no effect on the phasor diagram of an RLC circuit.
The average power in an RLC circuit is zero when the phase angle between the voltage and current is 90°.
The average power in an RLC circuit is zero when the phase angle between the voltage and current is 90°.
A dual beam oscilloscope can be used to display two waveforms with different frequencies.
A dual beam oscilloscope can be used to display two waveforms with different frequencies.
The phase angle Ф in a series RC circuit is given by Ф=tan-1(VR/VC)
The phase angle Ф in a series RC circuit is given by Ф=tan-1(VR/VC)
The current I in a series RL circuit leads the voltage v by Ф
The current I in a series RL circuit leads the voltage v by Ф
The impedance of a series RC circuit is given by |v|=√(VR^2+VC^2)
The impedance of a series RC circuit is given by |v|=√(VR^2+VC^2)
The oscilloscope is used to measure the frequency of the signal in the experiment
The oscilloscope is used to measure the frequency of the signal in the experiment
The phase angle Ф in a series RL circuit is given by Ф=tan-1(XL/R)
The phase angle Ф in a series RL circuit is given by Ф=tan-1(XL/R)
The oscilloscope can only be used to study the frequency of a waveform.
The oscilloscope can only be used to study the frequency of a waveform.
The unit of capacitance is measured in Henry (H).
The unit of capacitance is measured in Henry (H).
The peak-to-peak amplitude of a waveform is equal to twice the peak amplitude.
The peak-to-peak amplitude of a waveform is equal to twice the peak amplitude.
A sinusoidal voltage can be defined by the formula V = Vp sin(ωt).
A sinusoidal voltage can be defined by the formula V = Vp sin(ωt).
Mutual induction occurs when a coil induces a voltage in itself due to changes in its own current.
Mutual induction occurs when a coil induces a voltage in itself due to changes in its own current.
The inductance of a coil is directly proportional to the magnitude of the current flowing through it.
The inductance of a coil is directly proportional to the magnitude of the current flowing through it.
The oscilloscope can display non-periodic waveforms.
The oscilloscope can display non-periodic waveforms.
The RMS voltage of a sinusoidal waveform is equal to the peak voltage divided by the square root of 2.
The RMS voltage of a sinusoidal waveform is equal to the peak voltage divided by the square root of 2.
The units of capacitance range from pF (10−12 F) to kF (10^3 F).
The units of capacitance range from pF (10−12 F) to kF (10^3 F).
The induced voltage created by the changing current has the effect of aiding the change in current.
The induced voltage created by the changing current has the effect of aiding the change in current.
The SI unit of electrical resistance is the volt.
The SI unit of electrical resistance is the volt.
A capacitor is a device that produces electric current.
A capacitor is a device that produces electric current.
Capacitance is expressed as the ratio of the electric charge (Q) to the potential difference (V).
Capacitance is expressed as the ratio of the electric charge (Q) to the potential difference (V).
The farad is the SI unit of electrical resistance.
The farad is the SI unit of electrical resistance.
An ideal capacitor is characterized by multiple constant values for its capacitance.
An ideal capacitor is characterized by multiple constant values for its capacitance.
A capacitor is a device that adds inductance to a circuit.
A capacitor is a device that adds inductance to a circuit.
The effect of a capacitor is known as inductance.
The effect of a capacitor is known as inductance.
The reciprocal quantity of electrical resistance is electrical conductance.
The reciprocal quantity of electrical resistance is electrical conductance.
The ohm is the SI unit of capacitance.
The ohm is the SI unit of capacitance.
Capacitance exists only between two electrical conductors in proximity.
Capacitance exists only between two electrical conductors in proximity.
