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sashaice [31]
3 years ago
8

Tech A says quartz crystals under mechanical stress will produce a voltage. Tech B says the piezoelectric principle is used in c

oolant temp sensors. Who is correct?
Physics
1 answer:
pshichka [43]3 years ago
3 0

Answer:

Tech A is right.

Explanation:

Its the ability of quartz crystal that if we apply a mechanical stress on them by an applied force then they can produce the electricity or voltage. This phenomenon of producing electricity by squeezing a crystal is termed as piezoelectricity or a piezoelectric effect.

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You are given three resistors with the following resistances: R1 = 6.32 Ω, R2 = 8.13 Ω, and R3 = 2.29 Ω. What is the largest equ
andreyandreev [35.5K]

Answer:

The largest equivalent resistance yu can build using these three resistors is a Serie Resistance with the value of R= 16.74 Ω

Explanation:

Adding Resistances in serie is the way to build de largest equivalent value possible.

Rt= R1+R2+R3

Rt= 6.32 + 8.13 + 2.29

Rt= 16.74Ω

5 0
3 years ago
Luis wants to compare the density of three solid objects that are different shapes and sizes. What information does he need to m
tatyana61 [14]

Answer:

u need to make sure that comparison is = to shapes and then find the shapes sizes and add them

7 0
2 years ago
A 75.0-kg person climbs stairs, gaining 2.50 m in height. Find the work done to accomplish this task.
ololo11 [35]

Answer:

W=1837.5J

Explanation:

A force exerts work when there is a displacement of its point of application in the direction of that force. Therefore, the work done by a system is defined as the inner product between the applied force and the displacement:

W=\vec{F}\cdot \vec{d}\\W=Fcos\theta d

In this case, we have:

F=mg\\h=dcos\theta

So, replacing this:

W=mgh\\W=75kg*9.8\frac{m}{s^2}*2.5m\\W=1837.5J

4 0
3 years ago
Why is the weight of an object more on Earth than on the Moon?
JulijaS [17]
<span>Why is the weight of an object more on Earth than on the Moon? i would say c</span>
8 0
3 years ago
Just help me do this dawg pls
givi [52]

Answer:

D

Series means one after another like cars on a train

3 0
2 years ago
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