In an AC current current can be negative

In an AC current, current can be negative. A. True B. False

To find the current at a given time in a phasor diagram, we…. . A. compute the length of the phasor. B. compute the angular frequency of the phasor. C. project the phasor onto the y-axis. D. project the phasor onto the x-axis. E. set our phasors on stun.

It is possible for the average of an AC current to be zero, (assuming there is current). A. True B. False

It is possible for the rms of an AC current to be zero, (assuming there is current). A. True B. False

It is possible for the actual voltage to be greater than the rms voltage. A. True B. False

In an alternating current scenario, which of the following pairs are in phase? A. B. C. D. E. F. G. H. Resistor’s V and I. Inductor’s V and I. Capacitor’s V and I. Both A and B. Both B and C. Both A and C. All of A, B, and C. None of the above.

With a sinusoidal current, since V=IR for a resistor, current and voltage are… A. B. C. D. In phase. Out of phase by 90⁰. Out of phase by 180⁰. Out of phase by 45⁰.

With a sinusoidal current, since V=L Δi/Δt for an inductor, current and voltage are… A. B. C. D. In phase. Out of phase by 90⁰. Out of phase by 180⁰. Out of phase by 45⁰.

With a sinusoidal current, since ΔV/Δt =i/C for an inductor, current and voltage are… A. B. C. D. In phase. Out of phase by 90⁰. Out of phase by 180⁰. Out of phase by 45⁰.

What must the sign of the charged particle be to satisfy the resulting force due to the magnetic field? A. Positive B. Negative C. Its not possible!

In what direction does the force due to the electric field on the charged particle point? A. to the left B. to the right C. towards the top of the screen D. towards the bottom of the screen E. into the screen F. out of the screen G. none of the above

In what direction does the force due to the magnetic field on the charged particle point? A. to the left B. to the right C. towards the top of the screen D. towards the bottom of the screen E. into the screen F. out of the screen G. none of the above