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horrorfan [7]
3 years ago
11

HELP!!

Physics
2 answers:
In-s [12.5K]3 years ago
8 0

Answer: Changing the voltage or current in a circuit creates an analog signal.

Explanation:

We know that,

An analog signal uses to transfer of the messages one station to other station. An analog signal uses to convey the signal information.

The voltage ,current and frequency represent the information in the electronic signal.

So, Changing the voltage or current in a circuit creates an analog signal and a capacitor, a transistor and a resistor is the electronic device.

stepan [7]3 years ago
6 0
Most likely analog signal.
a capacitor, transistor and resistor are only devices used in an electrical circuit. Chaging current or voltage doesn't create devices out of thin air.
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Excessive paranoia, worry, or anxiety.

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You decide to roll a 0.11-kgkg ball across the floor so slowly that it will have a small momentum and a large de Broglie wavelen
Oksanka [162]

The de Broglie wavelength \lambda = 4.0\times 10^{-30}m

We know that

de Broglie wavelength = \lambda = \frac{h}{mv}\lambda = \frac{6.63\times 10^{-34}}{0.11\times 1.5 \times 10 ^{-3}}

\lambda = 4.0\times 10^{-30}m

<h3>What is de Broglie wavelength?</h3>

According to the de Broglie equation, matter can behave like waves, much like how light and radiation do, which are both waves and particles. A beam of electrons can be diffracted just like a beam of light, according to the equation. The de Broglie equation essentially clarifies the notion of matter having a wavelength.

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3 0
1 year ago
Scientist who first proposed the theory that the continents drifted is __________
Aloiza [94]

Answer:

Alfred Wegener

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4 0
3 years ago
Which statement represents a difference between horizontal and vertical relationships?
marishachu [46]
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3 years ago
Glycerin is poured into an open U-shaped tube until the height in both sides is 20 cm. Ethyl alcohol is then poured into one arm
lina2011 [118]

Answer:

Difference in height = 7.5 cm

Explanation:

We are given;.

Height of ethyl alcohol;h2 = 20 cm = 0.2 m

Density of glycerin: ρ1 = 1260 kg/m³

Density of ethyl alcohol; ρ2 = 790 kg/m³

To get the difference in height, the pressure at the top of the open end must be equal to the pressure at the point where the liquids do not mix since both points will be at different levels after the pouring.

Thus;

P1 = P2

Formula for pressure is; P = ρgh

Thus;

ρ1 × g × h1 = ρ2 × g × h2

g will cancel out to give;

ρ1 × h1 = ρ2× h2

Making h1 the subject, we have;

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4 0
3 years ago
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