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skelet666 [1.2K]
3 years ago
13

When measuring an unknown voltage with an analog VOM, you should first

Physics
2 answers:
Soloha48 [4]3 years ago
8 0
If you have no idea what the voltage is that you're about to measure,
then you should set the meter to the highest range before you connect
it to the two points in the circuit. 

Analog meters indicate the measurement by moving a physical needle
across a physical card with physical numbers printed on it.  If the unknown
voltage happens to be 100 times the full range to which the meter is set,
then the needle may find itself trying to move to a position that's 100 times
past the highest number on the meter's face.  You'll hear a soft 'twang',
followed by a louder 'CLICK'.  Then you'll wonder why the meter has no
needle on it, and then you'll walk over to the other side of the room and
pick up the needle off the floor, and then you'll probably put the needle
in your pocket.  That will end your voltage measurements for that day,
and certainly for that meter. 

Been there.
Done that.
weeeeeb [17]3 years ago
4 0

Answer:set the switch to the highest range

Explanation:

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Tpy6a [65]

Answer:

2.4s

Explanation:

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The time period of the pendulum is given as

T = 2pi(L/g)^1/2

Then the time it takes to move from displacement to equilibrium is given as:

t = T/4

= (Pi/2)*(L/g)^1/2

= pi/2 x [(75x0.3048)/9.81]^0.5

= 1.57x[22.86/9.81)^0.5

= 2.4s

2.4 seconds is the least amount of time that it would take.

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3 years ago
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Luba_88 [7]

Answer:

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3 years ago
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7 0
3 years ago
The speed of light in cubic zirconia
schepotkina [342]

The index of refraction for the cubic zirconia at the given speed of light is 2.16.

The given parameters:

  • <em>Speed of light in Cubic zirconia, v = 1.39 x 10⁸ m/s</em>
  • <em>Speed of light in air, c = 3.0 x 10⁸ m/s.</em>

The index of refraction for the cubic zirconia is the ratio of the speed of light in air to speed of light in cubic zirconia and it is calculated as follows;

\eta = \frac{c}{v} \\\\\eta = \frac{3\times 10^8}{1.39 \times 10^8} \\\\\eta = 2.16

Thus, the index of refraction for the cubic zirconia at the given speed of light is 2.16.

Learn more about index of refraction here: brainly.com/question/10729741

6 0
3 years ago
How long will it take for a man to walk a distance of 2 km if his walking speed is 2 m/s?
laila [671]

Answer:

1000s

Explanation:

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8 0
3 years ago
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