Using the picture of the signal of voltage versus time from the screen of the oscilloscope and...

Question:

Using the picture of the signal of voltage versus time from the screen of the oscilloscope and assuming that the settings on the oscilloscope are 2 V/div and 2 ms/div, calculate the following:

a) Amplitude (express as a whole number)

b) Period (in milliseconds)

c) Frequency (round off to the tens place)

d) {eq}V_{rms}{/eq} value (express as a whole number)

e) {eq}V_{PP}{/eq} (peak to peak) value (express as a whole number)

Amplitude:

Amplitude of a wave is maximum displacement of particle from it's mean position.

Usually amplitude is represented with letter A.

Frequency:

Number of oscillation completed per unit time ( 1 1second) is called frequecy.

IT is represented with letter {eq}\nu {/eq}.

SI unit of frequency is Hz.

Answer and Explanation: 1

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Number of division displaced from mean position {eq}= 1.5 {/eq} div

_Part(A)

Amplitiude {eq}A = 2 \ \ V\div \times 1.5 \ \ div {/eq}

{eq}A = 3 \...

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Alternating Current: Definition, Advantages & Disadvantages

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Chapter 12 / Lesson 7
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Read the definition of direct and alternating current. See the advantages of AC over DC and understand why we use AC instead of DC. Know if we use AC or DC in homes.


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