Question

Consider the circuit from Part A again, which is repeated here: v(t) = 50 cos(2000t - 45°) mV. Someone has used phasor-domain techniques to find the phasor value corresponding to the unknown current i(t), which is $I = \mathcal{P}\{i(t)\} = 125\angle -45^\circ \,\mu A$. Choose the correct expression for the steady-state value of i(t) after the inverse phasor transform. 125 cos(2000t + 45) $\mu A$ 125 cos(-45) $\mu A$ 125 cos(2000t - 45) $\mu A$ 125 cos(45) $\mu A$

          Consider the circuit from Part A again, which is repeated here:
v(t) = 50 cos(2000t - 45°) mV.
Someone has used phasor-domain techniques to find the phasor value corresponding to the unknown current i(t), which is
$I = \mathcal{P}\{i(t)\} = 125\angle -45^\circ \,\mu A$.
Choose the correct expression for the steady-state value of i(t) after the inverse phasor transform.
125 cos(2000t + 45) $\mu A$
125 cos(-45) $\mu A$
125 cos(2000t - 45) $\mu A$
125 cos(45) $\mu A$

$Consider the circuit from Part A again, which is repeated here: v(t) = 50 cos(2000t - 45°) mV. Someone has used phasor-domain techniques to find the phasor value corresponding to the unknown current i(t), which is I = 𝒫{i(t)} = 125∠ -45^∘ μ A. Choose the correct expression for the steady-state value of i(t) after the inverse phasor transform. 125 cos(2000t + 45) μ A 125 cos(-45) μ A 125 cos(2000t - 45) μ A 125 cos(45) μ A$

Added by Laura N.

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