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tester [92]
3 years ago
14

If part of an electric circuit dissipates energy at 6 W when it draws a current of 3 A, what voltage is impressed across it?

Physics
1 answer:
Lena [83]3 years ago
5 0

Answer:2 volts

Explanation:

Power=current x voltage

6=3 x voltage

Divide both sides by 3

6/3=(3 x voltage)/3

2=voltage

Voltage=2volts

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Gallium is a solid metal at room temperature, but it will melt to a liquid in your hand. the melting point of gallium is 85.6 f.
Nimfa-mama [501]

Fahrenheit  =  85.6°F

Celsius  =  (5/9) (Fahrenheit - 32)

Celsius  =  (5/9) (85.6 - 32)

Celsius  =  (5/9) (53.6)

<em>Celsius  =  29.78°C</em>

Kelvin  =  Celsius + 273.15

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<em>Kelvin  =  302.93K  </em>

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2 years ago
An iron nail does not pick up paper clips as a magnet would. What can be concluded about the structure of the iron nail? It has
lesya692 [45]

Question: An iron nail does not pick up paper clips as a magnet would. What can be concluded about the structure of the iron nail?

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question answered by

(jacemorris04)

4 0
4 years ago
Read 2 more answers
Plane polarized light with intensity I0 is incident on a polarizer. What angle should the principle axis make with respenct to t
Nataliya [291]

Answer:

 Q = 47.06 degrees

Explanation:

Given:

- The transmitted intensity I = 0.464 I_o

- Incident Intensity I = I_o

Find:

What angle should the principle axis make with respect to the incident polarization

Solution:

- The relation of transmitted Intensity I to to the incident intensity I_o on a plane paper with its principle axis is given by:

                                     I = I_o * cos^2 (Q)

- Where Q is the angle between the Incident polarized Light and its angle with the principle axis. Hence, Using the relation given above:

                                     Q = cos ^-1 (sqrt (I / I_o))

- Plug the values in:

                                     Q = cos^-1 ( sqrt (0.464))

                                     Q = cos^-1 (0.6811754546)

                                     Q = 47.06 degrees

                                   

8 0
4 years ago
Band of which of these colours are not seen in a spectrum
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The only colours that are in the spectrum are red, orange, yellow, green, blue, indigo and violet. hope this helps!
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3 years ago
Which statements describe a situation in which work is being done? Check all that apply.
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