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Maksim231197 [3]
3 years ago
12

A technician at a semiconductor facility is using an oscilloscope to measure the AC voltage across a resistor in a circuit. The

technician measures the oscillating voltage to be a sine wave with a peak voltage of 7.75 V . However, the technician must record the RMS voltage on a report. What value should be reported
Physics
1 answer:
d1i1m1o1n [39]3 years ago
6 0

Answer:

The value to be reported is 5.48V

Explanation:

The RMS (root mean square) is defined as the value of voltage that will produce the same heating effect, or power dissipation, in circuit, as this AC voltage.

The RMS voltage is also called effective voltage because it is just as effective as DC voltage in providing power to an element.

It is expressed as V_{rms} = \frac{V_{m} }{\sqrt{2} }

where Vm is the maximum or peak value of the voltage

In calculating the RMS of the voltage , we simply divide the peak voltage by square root of 2 (√2)

V_{rms} = \frac{7.75}{\sqrt{2} }

= \frac{7.75}{1.414}

= 5.48 V

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The force generated by a single muscle fiber can be increased by increasing is called
mars1129 [50]

Answer:

The force generated by a single muscle fiber can be increased by increasing the frequency of action potentials

Explanation:

The force generated by a muscle fiber is the result of the shortening of the skeletal muscle, and this force is also know as muscle tension. The larger motor units shorten along with the smaller units to produce the muscle force. The time lapsed between the beginning of the action potential in the muscle and the beginning of the contraction is the latent period. Action potential is the result of the difference electrical potential as a result of passage of an impulse along the membrane of a muscle or nerve cell.

4 0
3 years ago
What is the wavelength of a wave that has a speed of 350 meters/second and a frequency of 140 hertz?In meters
Leto [7]
Apply:
wavelength = speed/frequency
= 350 m/s : 140 Hz = 2.5 m.
3 0
3 years ago
Read 2 more answers
A 50kg person standing still in ice skates throws their helmet to the right at 25 m/s while on a frictionless surface. This give
labwork [276]

Answer:

2.0 kg

Explanation:

5 0
3 years ago
Is it polar or non-polar... i need help on all of them plz hurry
Murljashka [212]
Answers

1.) non-polar

2.) non-polar

3.) Polar

4.) Polar

Non-polar molecules are essentially molecules that have an even distribution of of electrical charges.

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5 0
3 years ago
Calculate the magnitude of the force, in newtons, exerted by a boxing glove on an opponent’s face, if the glove and face togethe
saul85 [17]

Answer:

5437.5 N

Explanation:

from the question we are given the following:

mass = 7.25 kg

initial speed (u) = 10.5 \frac{m}{s}

finial velocity (v) = 0

compression (s) = -7.35 cm = -0.0735 m (the negative sign is because the face is compressed, so there is a decrease)

we know that force = mass x acceleration,  

we have our mass but need to find the acceleration. we can get the acceleration by applying the formula below

v^{2} = u^{2} + 2as

therefore

0 = 10.5^{2} + (-2)× a × 0.0735[/tex]

a = \frac{10.5^{2} }{ 2 × 0.0735}[/tex]

a = 750

from F = m x a

force = 7.25 x 750 = 5437.5 N

7 0
3 years ago
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