Electric Circuit Lab: Sinusoidal Voltages
40 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

The root mean square (rms) voltage is equal to the peak voltage (Vp) for sinusoidal voltages.

False

A function generator can only produce repetitive waveforms.

False

The signal period is directly proportional to its frequency.

False

A sawtooth wave can be generated by a function generator.

<p>True</p> Signup and view all the answers

The frequency of a signal is measured in seconds.

<p>False</p> Signup and view all the answers

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.

<p>True</p> Signup and view all the answers

A function generator can generate a sinusoidal signal with a fixed amplitude and frequency.

<p>False</p> Signup and view all the answers

The phase angle of a waveform can be measured using a single channel of an oscilloscope.

<p>False</p> Signup and view all the answers

The time equation for a sinusoidal signal can be written as V = Vm sin(ωt + Ф).

<p>True</p> Signup and view all the answers

A frequency meter can be used to measure the RMS voltage of a signal.

<p>False</p> Signup and view all the answers

The phase angle between the current and the applied voltage is zero when the impedance of the circuit is purely resistive.

<p>True</p> Signup and view all the answers

The oscilloscope can be used to measure the impedance of a circuit directly.

<p>False</p> Signup and view all the answers

The frequency of the signal has no effect on the phasor diagram of an RLC circuit.

<p>False</p> Signup and view all the answers

The average power in an RLC circuit is zero when the phase angle between the voltage and current is 90°.

<p>True</p> Signup and view all the answers

A dual beam oscilloscope can be used to display two waveforms with different frequencies.

<p>True</p> Signup and view all the answers

The phase angle Ф in a series RC circuit is given by Ф=tan-1(VR/VC)

<p>False</p> Signup and view all the answers

The current I in a series RL circuit leads the voltage v by Ф

<p>False</p> Signup and view all the answers

The impedance of a series RC circuit is given by |v|=√(VR^2+VC^2)

<p>True</p> Signup and view all the answers

The oscilloscope is used to measure the frequency of the signal in the experiment

<p>False</p> Signup and view all the answers

The phase angle Ф in a series RL circuit is given by Ф=tan-1(XL/R)

<p>True</p> Signup and view all the answers

The oscilloscope can only be used to study the frequency of a waveform.

<p>False</p> Signup and view all the answers

The unit of capacitance is measured in Henry (H).

<p>False</p> Signup and view all the answers

The peak-to-peak amplitude of a waveform is equal to twice the peak amplitude.

<p>True</p> Signup and view all the answers

A sinusoidal voltage can be defined by the formula V = Vp sin(ωt).

<p>False</p> Signup and view all the answers

Mutual induction occurs when a coil induces a voltage in itself due to changes in its own current.

<p>False</p> Signup and view all the answers

The inductance of a coil is directly proportional to the magnitude of the current flowing through it.

<p>False</p> Signup and view all the answers

The oscilloscope can display non-periodic waveforms.

<p>True</p> Signup and view all the answers

The RMS voltage of a sinusoidal waveform is equal to the peak voltage divided by the square root of 2.

<p>True</p> Signup and view all the answers

The units of capacitance range from pF (10−12 F) to kF (10^3 F).

<p>True</p> Signup and view all the answers

The induced voltage created by the changing current has the effect of aiding the change in current.

<p>False</p> Signup and view all the answers

The SI unit of electrical resistance is the volt.

<p>False</p> Signup and view all the answers

A capacitor is a device that produces electric current.

<p>False</p> Signup and view all the answers

Capacitance is expressed as the ratio of the electric charge (Q) to the potential difference (V).

<p>True</p> Signup and view all the answers

The farad is the SI unit of electrical resistance.

<p>False</p> Signup and view all the answers

An ideal capacitor is characterized by multiple constant values for its capacitance.

<p>False</p> Signup and view all the answers

A capacitor is a device that adds inductance to a circuit.

<p>False</p> Signup and view all the answers

The effect of a capacitor is known as inductance.

<p>False</p> Signup and view all the answers

The reciprocal quantity of electrical resistance is electrical conductance.

<p>True</p> Signup and view all the answers

The ohm is the SI unit of capacitance.

<p>False</p> Signup and view all the answers

Capacitance exists only between two electrical conductors in proximity.

<p>False</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser