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labwork [276]
3 years ago
9

Resistance of a light bulb with 0.33 A of current flowing from a 12V battery?

Physics
1 answer:
Sergio039 [100]3 years ago
8 0

Resistance = (voltage) / (current)

Resistance = (12v) / (0.33 A)

Resistance = (12/0.33) ohms

<em>Resistance = 36.4 ohms</em>

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If a train travels 80 miles north, 60 miles east, what’s the magnitude of its total displacement? Find the solution by drawing a
AnnZ [28]

Answer:

100 miles North East.

Explanation:

Please see attached photo for diagram.

In the attached photo, X represents the magnitude of the total displacement of the train.

Thus, we can obtain the value of X by using the pythagoras theory as illustrated below:

X² = 80² + 60²

X² = 6400 + 3600

X² = 10000

Take the square root of both side

X = √10000

X = 100 miles.

Therefore, the magnitude of the total displacement of the train is 100 miles North East.

8 0
3 years ago
We have an object with a density of 620g/cm^3 and a volume of 75cm cm^3. What is the mass of this object
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density tomes volume

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3 years ago
YAHOO ANSWERSA 1260 kg car moving south at 12.9 m/s collides with a 2430 kg car moving north. The cars stick together and move a
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Explanation:

Below is an attachment containing the solution.

7 0
3 years ago
What is the common property of the elements pinctogen
AURORKA [14]

Answer:

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5 0
2 years ago
If the current in a wire increases from 5 A to 10 A, what happens to its magnetic field? If the distance of a charged particle f
Anna007 [38]

(1) Doubling of the current through the wire will result in doubling of its magnetic  field.

The magnetic field around a wire is a function of the current I and radial distance r

B = \frac{\mu\cdot I }{2\pi r}

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(2) Using the same formula as in (1), we can see that the magnetic field is inversely proportional to the radial distance from the wire. So, a particle at 20cm will experience half the magnitude compared to a particle at 10cm.

(3) Answer

If a particle with a charge q  moves through a magnetic field B with velocity v, it will be acted on by the magnetic force

F_m = B\cdot v\cdot q

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3 0
3 years ago
Read 2 more answers
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