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Semmy [17]
3 years ago
10

The amplitude of the voltage across an inductor can be greater than the amplitude of the generator EMF in an AC RLC circuit. Con

sider an RLC circuit with Epeak = 90 V, R = 28.9 capital omega, L = 1.31 H, and C = 2.86 µ F. Find the amplitude of the voltage across the inductor at resonance. V
Physics
1 answer:
Degger [83]3 years ago
4 0

Answer:

VL=2107.6v

Explanation:

at resonance xc=xL

1/wc = wL

z=R

because sqr(R^2+(xL-xc))

^

(xL=xc)

V/R=I

90/28.9=3.1142A

w=1/sqr(1.31×(2.86×10^-6))=516.63

xL= wL

xL= 516.63×1.31=676.785

VL=3.1142×676.785

VL=2107.6v

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A coin is resting on the bottom of an empty container. The container is then filled to the brim three times, each time with a di
Virty [35]

Answer:

Refractive index of liquid C > Refractive index of liquid B > Refractive index of liquid A

Explanation:

Let the depth of each section is h.

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by the formula of the refractive index

n = real depth / apparent depth

where, n is the refractive index of the liquid.

For liquid A:

n_{A}=\frac{h}{7}    .... (1)

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By comparing all the three equations

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5 0
3 years ago
If the 78.0 kg astronaut were in a spacecraft 6R from the center of the earth, what would the astronaut's weight be on earth? 76
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(b) 21.1 N

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The acceleration due to gravity at a generic distance r from the Earth's center is

g=\frac{GM}{r^2}

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We know that at a distance of r = R (at the Earth's surface) the value of g is 9.8 m/s^2, so we can write:

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the acceleration due to gravity at r=6R instead will be

g'=\frac{GM}{(6R)^2}

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3 years ago
How do free-body force diagrams help you determine an object’s direction of motion?
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iragen [17]
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