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Tcecarenko [31]

3 years ago

12

If a cable insulation is described as RHW, you would be able to use the cable for what maximum temperature?

1 answer:

BartSMP [9]3 years ago

7 0

167•F which is c

Tell me my wrong from right

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What forms when two continental plates collide?

Jlenok [28]

When tectonic plates collide, this is a convergent plate boundary.
When the two plates at a convergent boundary are continental, they form mountains and mountain ranges.

Hope this helps! :)

8 0

3 years ago

How do earths magnetic pole reversals provide evidence for plate tectonics

Alinara [238K]

Rocks get older as you move away from the water surface

6 0

3 years ago

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What is neccessary for a magnetic field to create electric current in a copper coil?

Viktor [21]

A, Lenz' Law. There need to be a difference of flux, so if you use AC you will get a current too.

6 0

3 years ago

A ring with an 18mm diameter falls off a scientist's finger into the solenoid in the lab. The solenoid is 25 cm long, 5.0 cm in

Troyanec [42]

Answer:

The value is $\epsilon = 3.84 *10^{-5} \ V$

Explanation:

From the question we are told that

The diameter of the ring is $d = 18 \ mm = 0.018 \ m$

The length of the solenoid is $l = 25 \ cm = 0.25 \ m$

The diameter of the solenoid is $D = 5.0 \ cm = 0.05 \ m$

The number of turns is N = 1500

The change in current in the solenoid is $\Delta I = 20 \ A$

The time taken is $\Delta t = 1 \ s$

Generally the radius of the ring is

$r = \frac{d}{2}$

=> $r = \frac{0.018 }{2}$

=> $r = 0.009 \ m$

Generally the area of the ring is mathematically represented as

$A = \pi r^2$

=> $A = 3.142 * 0.009^2$

=> $A = 2.545 *10^{-4}\ m^2$

Generally the induced emf is mathematically represented as

$\epsilon = A * \frac{dB}{dt}$

Here

$\frac{dB }{dt} = \mu_o * \frac{N}{l} *\frac{ \Delta I }{\Delta t}$

Here $\mu_o$ is the permeability of free space with value

$\mu_o = 4\pi *10^{-7} \ N/A^2$

So

$\frac{dB }{dt} = 4\pi * 10^{-7} * \frac{1500}{0.25} *\frac{20 }{1}$

=> $\frac{dB }{dt} = 0.150816\ T/s$

So

$\epsilon = 0.150816 * 2.545 *10^{-4}$

=> $\epsilon = 3.84 *10^{-5} \ V$

3 0

3 years ago

Which of the following are correct statements about the way an atom is put

Ann [662]

Answer:

valenc e shell

Explanation:

4 0

3 years ago