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Makovka662 [10]
2 years ago
11

3. What current is drawn by a 90 W light bulb on a 110 V household circuit? Please answer!!!

Physics
1 answer:
Troyanec [42]2 years ago
8 0

Answer:

So to find the current drawn, simply divide the power by the operating voltage. In the United States, most household appliances work at 110 Volts. So the calculation is divide the Wattage by 110.

Explanation:

i don't  know  if that correct because  i just copied and pasted  but it sounds right

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Why does the density of a substance remain the same for different amount of the substance
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Think of it this way: 
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6 0
3 years ago
A 250 N force pulls on a box horizontally to the right. The box is moving at constant speed.
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Answer:

its 34

Explanation:

3 0
3 years ago
When developing an experimental design, which action would improve the
il63 [147K]

When developing an experimental design, the action that would improve the quality of the results is to ensure that it answers a question about cause and effect.

<h3>What is experimental design?</h3>

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8 0
1 year ago
A man stands at the midpoint between two speakers that are broadcasting an amplified static hiss uniformly in all directions. Th
Illusion [34]

Answer:

Explanation:

The power of each of the speakers is 0.535 W. At a distance d intensity of sound can be found by the following formula

Intensity of sound =  Power / 4π d²

= .535 / 4 x 3.14 x (27.3/2)²

= 2.286 x 10⁻⁴ J m⁻² s⁻¹

Intensity of sound due to other source = 5.715 x 10⁻⁵J m⁻² s⁻¹

Total intensity = 2 x 2.286 x 10⁻⁴J m⁻² s⁻¹

= 4.57 x 10⁻⁴J m⁻² s⁻¹

b ) In this case, man is standing at distances 18.15 m and 9.15 m from the sources .

The total intensity of sound reaching him is as follows

0.535 / (4 π x18.15² ) + 0.535 /  (4 π x9.15² )

= 1.293 x 10⁻⁴ + 5.087 x 10⁻⁴

= 6.38 x 10⁻⁴J m⁻² s⁻¹

5 0
2 years ago
AM radio waves have longer wavelength than FM radio waves? true or false?
Mars2501 [29]

Answer:

true

Explanation:

the wavelength of AM radio is 10 m whereas FM has 1 m

8 0
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