3 years ago

Time shifting occurs when _______.

Physics

2 answers:

gregori [183]3 years ago

8 0

Individuals copy works to view at a later time

Svet_ta [14]3 years ago

4 0

The answer is C, individuals copy works to view at a later time.

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Thus, the induced current in the coil at $t =1.73s$ is 9.98 A.

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Faraday's law says

$\varepsilon = N \frac{d \Phi_B}{dt}$

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Now,

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$\theta = 37.5^o$

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$B = 1.45t^3$ ;

therefore,

$\varepsilon = N \frac{d \Phi_B}{dt} = N\frac{d ( BA\:cos(\theta))}{dt} = 30*\frac{d ( (1.45t^2)(0.1163)\:cos(37.5^o))}{dt}$

$=30*(0.1163)\:cos(37.5^o)*1.45*\dfrac{d ( t^3)}{dt} = 12.04t^2$

$\boxed{\varepsilon = 12.04t^2}$

is the emf induced in the coil.

Now, the loop is connected to $R = 3.61\Omega$ resistance; therefore, at $t = 1.73s$

$\varepsilon = RI = 12.04t^2$

$RI = 12.04(1.73)^2$

$RI = 36.03$

$I = \dfrac{36.03}{3.61\Omega }$

$\boxed{I = 9.98A }$

Thus, the current in the coil at $t =1.73s$ is 9.98 A.

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