3 years ago

The unit for measuring electric power is the

Physics

1 answer:

Anton [14]3 years ago

5 0

Power is the rate of doing work or transferring energy, in any form.

The most widely used unit is the Watt.

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Which kind of energy is fire? A. kinetic B. potential C. nuclear D. latent

DerKrebs [107]

Answer:

A. Kinetic

Explanation:

Energy in the flame is in the form of heat, which is kinetic energy

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3 years ago

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The magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 0.700 m and an outer radiu

iragen [17]

Answer:

(a) 11.3 T

(b) 6.09 T

Explanation:

Current, I = 14 kA = 14000 A

number of turns, N = 900

inner radius, r = 0.7 m

outer radius, R = 1.3 m

The magnetic field due to a circular coil is given by

$B = \frac{\mu o}{4\pi}\times \frac{2 N\pi I}{R}$

(a) The magnetic field due to the inner radius is

$B = 10^{-7}\times \frac{2\times 900\times 3.14\times 14000}{0.7}\\\\B = 11.3 T$

(b) The magnetic field due to the outer radius is

$B = 10^{-7}\times \frac{2\times 900\times 3.14\times 14000}{1.3}\\\\B = 6.09 T$

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3 years ago

If element X has 17 protons, how many electrons does it have?

OleMash [197]

18 electrons because protons minus the atomic mass so it would be 35-17 which gives you 18.

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4 years ago

Question 1

galina1969 [7]

1/f= 1/di+1/do
1/f=1/90m+1/40m
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3 years ago

What are two reasons why density is a useful physical property for identifying substances?

padilas [110]

Some substances look alike and the density can help you determine which is which. It also helps to tell which is heavier than the other.

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