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3 years ago

8. The fact that voltage can be created by exerting force on a crystal is used in which type of sensor?

Physics

1 answer:

AfilCa [17]3 years ago

5 0

Option C

The fact that voltage can be created by exerting force on a crystal is used in Knock sensor

<u>Explanation:</u>

Any knock to an engine exhibits as a little shake that is distinguished by the knock sensor. This sensor acts by altering the fluctuation to an electrical sign, which is later transferred to the processor mastering the ignition system.

There the variation in quake to the voltage sign modifies the timing improvements on the kindling. The knock sensor is placed on the engine base, cylinder cap or consumption manifold. This is because its purpose is to sense fluctuations affected by engine knock or explosion.

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Two containers hold equal masses of nitrogen gas at equal temperatures. You supply 10 J of heat to container A while not allowin

telo118 [61]

Answer:

TA is greater than TB

$T_{A}$ > $T_{B}$

Explanation:

Specific heat at constant pressure $C_{p}$ is greater than specific heat at constant volume $C_{v}$ .Therefore for given amount of supplied heat,increase in temperature at constant volume is greater than increase in temperature at constant pressure

Hence

TA is greater than TB

$T_{A}$ > $T_{B}$

5 0

4 years ago

How can we DESCRIBE force between two charged bodies

disa [49]

Answer:

it depends if the charged bodies have the same charge repulsion will occur if they have different charges they will attract

7 0

3 years ago

Q 29.1 a sheet of copper is placed between the poles of an electromagnet with the magnetic field perpendicular to the sheet. whe

Karolina [17]

(a) The force required to remove the sheet increases with increase in speed due to change in magnetic flux.

(b) The area in the magnetic field changes as the sheet is being put in between the poles. Thus, a force would be required to put the sheets.

<h3>Change in magnetic flux </h3>

When the sheet is pulled out, from the electromagnet there is change in magnetic flux given as follows;

Ф = BA

where;

B is magnetic field
A is area

emf = dФ/dt

F = qVB

Thus, the force required to remove the sheet increases with increase in speed due to change in magnetic flux.

Also, the area in the magnetic field changes as the sheet is being put in between the poles. Thus, a force would be required to put the sheets.

Learn more about magnetic flux here: brainly.com/question/10736183

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7 0

2 years ago

Please help me I don’t understand this question

GREYUIT [131]

Answer: 225N to the right

Explanation:

The pedaling force is to the right and of 325N.

The air resistance is to the opposite side (in this case to the left) of 100N.

To find Net force of an object with two opposite forces acting on them then we have to subtract the smaller force from the bigger force and but the direction of the bigger force, so

325N-100N=225N

The greater force is towards the right proving the direction of the Net force is to the right.

Therefore the Net force is 225N to the right.

Please mark me brainliest.

6 0

3 years ago

Frank is leaving Gainesville at 7:30 am and needs to be in Tampa by noon. He is cycling at an average speed of 18.3 mph. At what

garri49 [273]

If Frank leaves Gainesville at 7:30 am, the time he should arrive in Tampa is 12.00 pm after spending 4 hours 30 minutes on the road.

<h3>What is average speed? </h3>

The average speed of an object is the ratio of total distance to total time of motion.

V = total distance/total time

For Frank to be in Tampa by noon, he must spend atleast 4 hours 30 minutes on the road.

18.3 mph = d/4.5 h

d = 82.35 miles

The distance between Gainesville and Tampa is 82.35 miles.

Thus, we can conclude that, if Frank leaves Gainesville at 7:30 am, the time he should arrive in Tampa is 12.00 pm after spending 4 hours 30 minutes on the road.

Learn more about average speed here: brainly.com/question/6504879

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4 0

2 years ago