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4 years ago

An electron is much _ than a proton but has an equally strong (Though opposite) __.

1 answer:

4 0

When you get down to that scale, physical size doesnt mean much. But we do know that its mass is much less than the mass of the proton. It takes about 1840 electrons to have the same mass as one proton. The charges on the electron and proton are equal and opposite. The charge on the proton is what we call positive charge. The charge on the electron is what we call a negative charge.

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A flat loop of wire consisting of a single turn of cross-sectional area 8.20 cm2 is perpendicular to a magnetic field that incre

olga nikolaevna [1]

Answer:

The induced current is $I = 6.25*10^{-4} \ A$

Explanation:

From the question we are told that

The number of turns is $N = 1$

The cross-sectional area is $A = 8.20 cm^2 = 8.20 * 10^{-4} \ m^2$

The initial magnetic field is $B_i = 0.500 \ T$

The magnetic field at time = 1.02 s is $B_t = 2.60 \ T$

The resistance is $R = 2.70\ \Omega$

The induced emf is mathematically represented as

$\epsilon = - N * \frac{ d\phi }{dt}$

The negative sign tells us that the induced emf is moving opposite to the change in magnetic flux

Here $d\phi$ is the change in magnetic flux which is mathematically represented as

$d \phi = dB * A$

Where dB is the change in magnetic field which is mathematically represented as

$dB = B_t - B_i$

substituting values

$dB = 2.60 - 0.500$

$dB = 2.1 \ T$

Thus

$d \phi = 2.1 * 8.20 *10^{-4}$

$d \phi = 1.722*10^{-3} \ weber$

$|\epsilon| = 1 * \frac{ 1.722*10^{-3}}{1.02}$

$|\epsilon| = 1.69 *10^{-3} \ V$

The induced current i mathematically represented as

$I = \frac{\epsilon}{ R }$

substituting values

$I = \frac{1.69*10^{-3}}{ 2.70 }$

$I = 6.25*10^{-4} \ A$

7 0

4 years ago

Which scientist is known for contributions to a scientific discipline that is different from that of the other three scientists?

Nookie1986 [14]

Archimedes is known for contributions to a scientific discipline that is different from that of the other scientists.

3 0

3 years ago

A celestial body has these properties:

vichka [17]

I think that would be the moon

"too small to clear objects that are in its orbital path" , which means that it probably not a planet.

hope this helps

4 0

3 years ago

Read 2 more answers

Randy observed that cooked onions in his food taste very differently from the raw onions that he had on his salad. He wondered w

Travka [436]

It's called a hypothesis :D

6 0

4 years ago

Read 2 more answers

How is the movement of molecules that you observed in both the cases connected to their mass and temperature?

Brilliant_brown [7]

Well by the amount that you weigh by different galaxies