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3241004551 [841]
4 years ago
15

What is an example of convection currents? a. marshmallows toasting over a campfire b. a pot being heated by an electric burner,

feet getting hot when stepping across sand, a radiator emitting warm air and drawing in cool airs Only one choice on edge
Physics
2 answers:
Svetlanka [38]4 years ago
8 0

Answer:  B

Explanation:

Saw it on multiple sources and i got it right on Edge 2020

SCORPION-xisa [38]4 years ago
7 0

Answer:

B

Explanation:

because, convection is the transfer of heat between fluid substances/materials

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A very long half-cylinder of radius r carries a total current is uniformly distributed across the circumference. Determine the m
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The magnetic field along the central axis of the cylinder will be <em>determined </em>using the formula given that all parameters are known

dBz=\frac{uoR^2di}{2r^3}

<h3>Magnetic field </h3>

Generally, A magnetic field is also referred to as a vector field that shows the magnetic presence on electric charges and magnetic materials.

The formula for magnetic field  is

Where

u=4\pi*10^{-7H/M}

Therefore, the magnetic field along the central axis of the cylinder will be determined using the formula given that all parameters are known

For more information on Magnets

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2 years ago
A book 15.6 cm tall is 28.7 cm to the left of a plane mirror. What is the height of the image formed?
Ira Lisetskai [31]

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3 years ago
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Sergio [31]

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(a) To draw water from a well we have to pull at the rope.

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4. How does the type of medium affect a sound wave?
jek_recluse [69]

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The type of medium affects a sound wave as sound travels with the help of the vibration in particles.

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As different mediums have different amount and size of particles, for example, the speed of sound is faster through solid than liquid as solids have closely packed particles whereas liquids are loosely packed.

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