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LuckyWell [14K]
4 years ago
7

Which actions are ways to manipulate the magnet and wire loop in order to induce a current? Check all that apply. Move the magne

t forward. Move the loop away from the magnet. Place the loop right next to the magnet, both stationary. Move the loop sideways. Move the magnet and loop in the same direction, at the same speed, at the same time. Rotate the loop in place.
Physics
2 answers:
4vir4ik [10]4 years ago
7 0

Answer:

Explanation:

When a changing magnetic flux linked with the coil, then the induced emf or induced current is developed.

1. Move the magnet forward.

Here, the flux linked with the coil changes, so the induced current is developed.

2. Move the loop away from the magnet.

Here, the flux linked with the coil changes, so the induced current is developed.

3. Place the loop right next to the magnet, both stationary.

Here, the flux linked with the coil does not change, so the induced current is not developed.

4. Move the loop sideways.

Here, the flux linked with the coil changes, so the induced current is developed.

5. Move the magnet and loop in the same direction, at the same speed, at the same time.

Here, the flux linked with the coil does not change, so the induced current is not developed.

6. Rotate the loop in place.

Here, the flux linked with the coil changes, so the induced current is developed.

Pani-rosa [81]4 years ago
4 0

Answer:

1, 2, 4, 6

Explanation:

Move the magnet forward.

Move the loop away from the magnet.

Move the loop sideways.

Rotate the loop in place.

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dexar [7]

Answer: electronegativity

Explanation:

Electronegativity is defined as the property of an element to attract a shared pair of electron towards itself.  

The size of an atom decreases as we move across the period because the electrons get added to the same shell and the nuclear charge keeps on increasing. Thus the electrons get more tightly held by the nucleus.

As, the size of an element decreases, the valence electrons come near to the nucleus. So, the attraction between the nucleus and the shared pair of electrons increases and thus the electronegativity increases.

8 0
4 years ago
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Solar cells convert what type of energy into electrical energy?
zysi [14]
I think the correct answer from the choices listed above is option D. Solar cells convert electromagnetic energy into electrical energy. This is because the photons from the rays of light are electromagnetic waves or particles. Hope this answers the question.
6 0
4 years ago
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Ted lifts a 10N weight at a height of 1.5 m in 1 second. Johnny lifts a 10N weight at a height of 1.5 m in 2 second. Which state
fenix001 [56]

Answer:

he affirmations the correct ones are: A and D

Explanation:

To find out which expressions are correct, let's calculate the work and power done by each person

the expression for work is W = F and

the expression for power is P = W / t

In this case the work is positive because the beast is in the same direction of displacement.

Ted

        W₁ = 10 1.5

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        P₁ = 15/1

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Johnny

the job

         W₂ = 10 1.5

         W₂ = 15 J

the potential

          P₂ = 15/2

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therefore we see that the work of both is the same, but Ted developed twice as much power as Johnny

when resisting the affirmations the correct ones are: A and D

3 0
3 years ago
An 11,000-watt radio station transmits at 880 kHz. Calculate the energy of a single photon at the transmitted frequency.
prisoha [69]

The energy of a single photon at the transmitted frequency is \bold{5834.4 \times 10^{-31} \mathrm{J}}

Answer: Option b

<u>Solution:</u>

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Where  c is the velocity of Light \left(3 \times 10^{8} m / s\right)

h is planck's constant  \left(6.63 \times 10^{-34}\right)

λ is the wavelength of photon  

Energy of photon can be rewritten as E=h \times f

Where f is the frequency of photon  

Frequency of photon is obtained by dividing velocity of light by wavelength of photon.

f=\frac{c}{\lambda}

E=6.63 \times 10^{-34} \times 880 \times 10^{3}=5834.4 \times 10^{-31} \mathrm{J}

8 0
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When light does not pass through or bounce off an object it is what
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 it it called reflection
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4 years ago
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