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belka [17]
2 years ago
14

You are viewing a read out of an oscilloscope that shows you when different voltages in a circuit maximize. If the period of the

circuit is 0.04 seconds, how much time is there between when the capacitor voltage maximizes and the inductor voltage maximizes ?
Physics
1 answer:
Aleksandr-060686 [28]2 years ago
7 0

Answer:

The time is  t = 0.02 \ s  

Explanation:

From the question we are told that

  The period of the circuit is  T  =  0.04

Generally voltage maximization of the capacitor occurs during the voltage minimization of the inductor and vise versa

So the time between the voltage maximization of the capacitor and that of the inductor is mathematically represented as

           t = \frac{T}{2}

=>        t = \frac{0.04}{2}

=>        t = 0.02 \ s  

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When the government sets a price for wheat that is above the equilibrium price, it is imposing a _____.
nalin [4]
<h3><u>Answer</u>;</h3>

Price floor

When the government sets a price for wheat that is above the equilibrium price, it is imposing a<u> price floor</u>.

<h3><u>Explanation</u>;</h3>
  • <u>Price floors prevent a price from falling below a certain level. When a price floor is set above the equilibrium price, quantity supplied will exceed quantity demanded, and excess supply. </u>
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5 0
3 years ago
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A quarter-wave monopole radio antenna (also called a Marconi antenna) consists of a long conductor of one quarter the length of
sasho [114]

Answer:

a) Height of the antenna (in m) for a radio station broadcasting at 604 kHz = 124.17 m

b)Height of the antenna (in m) for radio stations broadcasting at 1,710 kHz =43.86 m

Explanation:

(a) Radiowave wavelength= λ = c/f

As we know, Radiowave speed in the air = c = 3 x 10^8 m/s

f = frequency = 604 kHz = 604 x 10^3 Hz

Hence, wavelength = (3x10^8/604x10^3) m

λ = 496.69 m

So the height of the antenna BROADCASTING AT 604 kHz =  λ /4 = (496.69/4) m

= 124.17 m

(b) As we know , f = 1710 kHz = 1710 x 10^3 Hz  (1kHZ = 1000 Hz)

Hence, wavelength =  λ = (3 x 10^8/1710 x 10^3) m

 λ= 175.44 m

So, height of the antenna =  λ /4 = (175.44/4) m

= 43.86 m  

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3 years ago
The standard unit of force in the metric system is the _____. A. gram B. pound C. newton D. kilogram
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The answer is C. Newton
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When does gravitational lensing occur? High concentrations of dark matter cause length contraction of nearby objects. The gravit
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Answer:

A massive object (like a galaxy cluster) bends the light from an object (like a quasar) that lies behind it.

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A massive object, like a galaxy cluster, is able to deform the space-time shape as a consequence of its own gravity, so the light that it is coming from a source that is behind it in the line of sight will be bend or distorts in a way that will be magnified, making small arcs around the cluster with the image of the background object.

This technique is useful for astronomers since they make research of faraway objects (at hight redshift) that otherwise will difficult to detect with a telescope.

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3 years ago
The strength of an acid or base depends on the degree on of ionization in water. The graph represents a
Likurg_2 [28]

HA in the graph represents a weak acid.

<h3>Explanation</h3>

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Apply the Arrhenius Theory of Acids and Bases.

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Is HA a weak acid or a strong acid?

Both weak and strong Arrhenius acids ionize in water to produce \text{H}^{+} (or equivalently \text{H}_3\text{O}^{+}) and a conjugate ion. However,

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  • Weak acids also ionize, but only partially. There would be plenty of acid left in the solution. Expect two-sided arrows like ⇔ and two-sided harpoons like \rightleftharpoons in the equation.

As seen in the bar chart, there are plenty of HA left after ionization. HA ionizes only partially. Also, the equation shows a two-sided arrow. As a result, HA is a weak acid.

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