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1 year ago

Using the Left Hand Rule, if motion is down and the current is toward you, which way is the field?

Physics

1 answer:

Mama L [17]1 year ago

5 0

In the left-hand rule, the field is represented by the forefinger and it is perpendicular to the motion.

<h3>Fleming’s Left-Hand Rule:</h3>

A force perpendicular to the field's direction and the direction of the current flow is experienced by a current-carrying conductor when it is exposed to an external magnetic field. According to Fleming's Left Hand Rule, if the thumb, forefinger, and middle finger are arranged in a straight line on the left hand, the thumb will point in the direction of the force experienced by the conductor, and the forefinger will point in the direction of the magnetic field, and the middle finger will point in the direction of the electric current. This rule is employed to determine the magnetic force's direction within an electric motor.

Fleming’s Left-Hand Rule are essential rules applicable in magnetism and electromagnetism. They were created by John Ambrose Fleming in the late 19th century as an easy method of determining the direction of motion in an electric motor.

Learn more about Fleming’s Left-Hand here:

brainly.com/question/956563

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Water has a very high specific heat capacity when compared to most other common materials. In fact, ethyl alcohol has a specific

AveGali [126]

Answer:

Lead, Ethyl alcohol and water.

Explanation:

Specific heat capacity of a substance can be define as the quantity of heat that is absorbed by a substance needed to change the temperature of a unit mass of one kilogram of the substance by one kelvin

5 0

3 years ago

A pure substance has a/an

Evgesh-ka [11]

Answer:

Element or a compound.

Explanation:

6 0

4 years ago

When illuminated with monochromatic light, a double slit produces a pattern that is a combination of single-slit diffraction and

d1i1m1o1n [39]

Answer:

The ratio is $k:d = 1 : 5$

Explanation:

From the question we are told that

The first minimum of the single slit pattern falls on the fifth maximum of the double slit pattern.

Generally the condition for constructive interference for as single slit is

$ksin(\theta) = n\lambda$

Here k is the width of the slit and n is the order of the fringe and for single slit n = 1 (cause we are considering the first maxima)

Generally the condition for constructive interference for as double slit is

$dsin\theta = m\lambda$

Here d is the separation between the slit and m is the order of the fringe and for double slit m = 5 (cause we are considering the first maxima)

=> $dsin\theta = 5\lambda$

$\frac{ksin(\theta)}{dsin(\theta)} = \frac{\lambda}{5\lambda}$

=> $\frac{k }{d} = \frac{1}{5}$

$k:d = 1 : 5$

5 0

3 years ago

What times what equals 400

Radda [10]

If you're willing to consider fractions or decimals,
then there are an infinite number of answers.
Like (2.5 x 160), and (15 x 26-2/3).

If you want to stick to only whole numbers,
then these 8 combinations do:

1, 400
2, 200
4, 100
5, 80
8, 50
10, 40
16, 25
20, 20

7 0

4 years ago

One star has a temperature of 30,000 K and another star has a temperature of 6,000 K. Compared to the cooler star, how much more

Lilit [14]

Answer:

<em>The hotter star radiates 625 times more energy per second from each square meter of its surface</em>

Explanation:

Temperature of the hotter star is 30000 K

temperature of the cooler star = 6000 K

From Stefan-Boltzmann radiation laws, for a non black body

P = εσA $T^{4}$

where

P is the energy per second or power of radiation

ε is the emissivity of the body

σ is the Stefan-Boltzmann constant of proportionality

A is the area of the sun

T is the temperature of the sun

The sun can be approximated as a black body, and the equation reduces to

P = σA $T^{4}$

For the hotter body,

P = σA( $30000^{4}$ ) = 8.1 x 10^17σA J/s

For the cooler body,

P = σA( $6000^{4}$ ) = 1.296 x 10^15σA J/s

comparing the two stars energy

==> (8.1 x 10^17)/(1.296 x 10^15) = 625

<em>This means that the hotter star radiates 625 times more energy per second from each square meter of its surface</em>

5 0

3 years ago