A vibrating stretched string has nodes or fixed points at each end. The string will vibrate in its fundamental frequency with just one anti node in the middle - this gives half a wave.
Rearranging for the wavelength
Therefore the longest wavelength standing wave that it can support is 14m
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No, the sum of 5.7 cm and 6.2 cm doesn't need to be rounded.
5.7 cm + 6.2 cm = 11.9 cm
Now,
Both 5.7 cm and 6.2 cm has 1 decimal place. So, their sum also has to be equal to 1 decimal place tooo. As you can see their sum also has 1 decimal place. So, you don't have to round it.
Answer:
Inductor should be placed the circuit to raise its power factor.
Explanation:
Inductor:
- It is passive component that is used in most electrical circuits to store energy in the form of magnetic energy when electric current flows through it.
- It has the function of developing electromotive force in the direction that reduces fluctuation when a fluctuating current flows.
Capacitor:
- It is a device for storing electrical energy, consisting of two conductors in close proximity and insulated from each other.
we know that,
Power factor:
cosα = R / Z
cosα = R^2/ (sqrt(R
To increase the power factor, denominator should decrease.
from the equation we can say that, the power factor is inversely proportional to X(L)
Hence X(L) should increase.
Therefore, an inductor is required to be connected.
learn more about power factor here:
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Hope this helps!!