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Effectus [21]
1 year ago
11

You can switch the polarity of the bar magnet by clicking on the button with the bar magnet and two semi-circular arrows on the

bottom right. Note how the positions of the north and south poles are switched every time you click on this button. Drag the bar magnet from left to right through the top coil, then repeat the same process after switching the polarity of the magnet. What effect, if any, does switching the polarity have on the brightness of the bulb and the needle of the voltmeter
Physics
1 answer:
lana [24]1 year ago
7 0

The effect that is seen is that the brightness of the bulb is unaffected by switching the polarity of the magnet; however, the order in which the needle deflects on the voltmeter is flipped when you do so.

This is further explained below.

<h3>What is switching the polarity?</h3>

Generally, When the polarity is reversed, both the hot wire and the neutral wire are switched, which causes the electric current to flow in the opposite direction. Because of this, the electric current enters the appliance through the neutral terminal rather than the hot terminal, which energizes the appliance even when it is turned off.

In a worst-case scenario, the battery's shell might burst apart due to the heat generated by the polarity reversal, which would release hydrogen gas, which is flammable. Acid from the battery may leak out of the box and burn you or damage your expensive electronics.

In conclusion, In this case, reversing the magnet's polarity has no impact on the light output of the bulb, but it does reverse the direction of the voltmeter's needle deflection.

Read more about switching the polarity

brainly.com/question/14600686?

#SPJ1

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A compound microscope is equipped with two objective lenses (10x and 45x) and has a 10x ocular lens. The highest magnification a
Wittaler [7]

Answer:

450X

Explanation:

When a specimen is been viewed, both

objective and ocular lenses works together so that the object is magnified.

From the question,objective lenses are;

1)10x

2)45x

ocular lens= 10x

Highest magnification

= 10X ocular × 45X objective

=450X

This implies that the image that was viewed will appear 450 times the actual size.

5 0
2 years ago
Find the frequency of a wave with the wavelength 3.5 m and the speed is 50 m/s. <br>​
Andru [333]

Answer:

8.57 Hz

Explanation:

From the question given above, the following data were obtained:

Wavelength (λ) = 3.5 m

Velocity (v) = 30 m/s

Frequency (f) =?

The velocity, wavelength and frequency of a wave are related according to the equation:

Velocity = wavelength × frequency

v = λ × f

With the above formula, we can simply obtain the frequency of the wave as follow:

Wavelength (λ) = 3.5 m

Velocity (v) = 30 m/s

Frequency (f) =?

v = λ × f

30 = 3.5 × f

Divide both side by 3.5

f = 30 / 3.5

f = 8.57 Hz

Thus, the frequency of the wave is 8.57 Hz

7 0
2 years ago
What is the internal energy of 2.00 mol of diatomic hydrogen gas (H2) at 35°C?
djyliett [7]
As you mentioned, we will use <span>Equipartition Theorem.
</span><span>H2 has 5 degrees of freedom; 3 translations and 2 rotation
</span>Therefore:
Internal energy = (5/2) nRT
You just substitute in the equation with the values of R and T and calculate the internal energy as follows:
Internal energy = (5/2) x 2 x <span>8.314 x 308 = 32.0089 x 10^3 J</span>
4 0
2 years ago
How many new facilities does an average facility manager build during his or her career?
wlad13 [49]

An average facility manager can build one new facility during his or her career.

 

<span>A </span>facilities manager<span> is the ultimate organiser, making sure that a workplace meets the needs of employees by managing all of the required services. In this job, you will be responsible for the </span>management<span> of services and processes that support the core business of an organisation.</span>

8 0
2 years ago
Why do remote controls for TV’s use infrared waves to communicate?
Delvig [45]

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Explanation:

3 0
2 years ago
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