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Eduardwww [97]
3 years ago
7

Which of the following scenarios will cause the current to stop flowing within a circuit?

Physics
2 answers:
Lelechka [254]3 years ago
8 0
C is correct. Only a closed circuit can carry current, opening a switch disconnects the circuit and stops current from flowing. Remember, all current flows in loops, if you can't make a loop out of it, current can't flow, and opening a switch, assuming no other paths for current exist, will completely stop the current.
Helga [31]3 years ago
7 0
The correct answer is C
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A car travels 150 meters East of its original starting position in 15s. What is the cars velocity?​
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Answer:

it is 347

Explanation:

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3 years ago
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a light bulb has a resistance of 360 . what is the current in the bulb when it has a potential difference of 120 v across it? 0.
xenn [34]
Presume we are looking for the current:

V = IR

120 = I*360

120/360 = I

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I = 1/3 = 0.333..

Current ≈ 0.33 Ampere.
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3 years ago
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A wave with a frequency of 500 Hz is traveling at a speed of 200 m/s. What is the wavelength?
pshichka [43]

Answer:0.4 is what i got

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3 years ago
A flexible loop has a radius of 10.5 cm and it is in a magnetic field of B = 0.117 T. The loop is grasped at points A and B and
MAXImum [283]

Explanation:

Given that,

Radius = 10.5 cm

Magnetic field = 0.117 T

Time = 0.243 s

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(I). We need to calculate the magnetic flux through the loop before stretched

Using formula of magnetic flux

\phi=B\times A

\phi=B\times \pi r^2

Where, B = magnetic field

r = radius

Put the value into the formula

\phi=0.117\times3.14\times(10.5\times10^{-2})^2

\phi=4.05\times10^{-3}\ Tm^2

(II). We need to calculate the magnetic flux through the loop after stretched

\phi=B\times A

Here, A = 0

\phi=0

So, The magnetic flux through the loop after stretched is zero.

(III). We need to calculate the magnitude of the average induced electromotive force

Using formula of the induced electromotive force

\epsilon=-\dfrac{d\phi}{dt}

\epsilon=-\dfrac{\phi_{after}-\phi_{before}}{t}

\epsilon=-\dfrac{0-4.05\times10^{-3}}{0.243}

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3 0
3 years ago
2 Points
zhuklara [117]

Answer:

D

Explanation:

the total speed and the total mass of the entire system remain the same weather one object is moving or stationary.

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Whatever momentum is lost by one object in the collision is gained

by the other. The total momentum of the system is conserved.

5 0
4 years ago
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