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4 years ago

What is the difference between V(peak voltage) and Vrms (root-mean-square) of AC voltage source?

Physics

1 answer:

Cerrena [4.2K]4 years ago

8 0

Answer:

V(peak voltage) is the highest voltage that the waveform will ever attain and the Vrms(root-mean-square) is the effective voltage of the total waveform representing the AC source.

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Which missing item would complete this beta decay reaction?

Flauer [41]

For us to understand the missing item that would complete beta decay reaction, we need to achieve in depth understanding of chemical formulas and nuclear symbols. Next is to have great comprehension of the following points:
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3 years ago

Which is the union of one man and one woman called?

tensa zangetsu [6.8K]

<h2>Answer: C.Monogamy </h2>

Explanation:

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4 years ago

Read 2 more answers

Please help! :(

Alona [7]

Ep = F * d
F = 20 N
d = 5 m
Ep = 20 N * 5 m
Ep = 100 J

So pick B. A Newton Meter is a joule.

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3 years ago

Of all the parts of an atom, which part is the most important in terms of Electricity,Chemistry, and life In general?

Snezhnost [94]

Neutrons number one

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3 years ago

In this week's experiment, you send an unpolarized light beam through two polarizers in series. You orient the first polarizer s

g100num [7]

Answer:

Part a)

$\theta = 90 degree$

so the polarization axis of two polarizers must be at 90 degree

Part b)

$\theta = 20 + 14.3 = 34.3 degree$

(vi) set the second polarizer so that its angular scale reads 34.3 degrees.

Explanation:

Part 1)

As per law of Malus we know that the intensity of light coming from the second polarizer and the intensity of the light from first polarizer is related as

$I = I_o cos^2\theta$

now we know that we rotate the second polarizer till the intensity of the light becomes zero

so we will have

$I = 0$

so we will have

$\theta = 90 degree$

so the polarization axis of two polarizers must be at 90 degree

Part b)

when two axis are inclined at 90 degree then scale reads 104.3 degree

so here the scale exceeds the reading by

$\Delta \theta = 104.3 - 90 = 14.3$

so in order to make them inclined at 20 degree we will have

$\theta = 20 + 14.3 = 34.3 degree$

(vi) set the second polarizer so that its angular scale reads 34.3 degrees.

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4 years ago