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In an AC current, current can be negative.
A. TrueB. False
True
False
0%0%
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.
compute
the le
ngth of t
h...
compute
the an
gular fr..
.
project
the phaso
r onto
t..
project
the phaso
r onto
t..
set o
ur phaso
rs on st
un.
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It is possible for the average of an AC current to be zero, (assuming there is current).
A. TrueB. False
True
False
0%0%
It is possible for the rms of an AC current to be zero, (assuming there is current).
A. TrueB. False
True
False
0%0%
It is possible for the actual voltage to be greater than the rms voltage.
A. TrueB. False
True
False
0%0%
In an alternating current scenario, which of the following pairs are in phase?
A. Resistor’s V and I.B. Inductor’s V and I.C. Capacitor’s V and I.D. Both A and B.E. Both B and C.F. Both A and C.G. All of A, B, and C.H. None of the above.
Resisto
r’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, a
nd C.
None of the ab
ove.
0% 0% 0% 0%0%0%0%0%
With a sinusoidal current, since V=IR for a resistor, current and voltage are…
A. In phase.B. Out of phase by 90⁰.C. Out of phase by 180⁰.D. Out of phase by 45⁰.
0% 0%0%0%
With a sinusoidal current, since V=L Δi/Δt for an inductor, current and voltage are…
A. In phase.B. Out of phase by 90⁰.C. Out of phase by 180⁰.D. Out of phase by 45⁰.
0% 0%0%0%
With a sinusoidal current, since ΔV/Δt =i/C for an inductor, current and voltage are…
A. In phase.B. Out of phase by 90⁰.C. Out of phase by 180⁰.D. Out of phase by 45⁰.
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What must the sign of the charged particle be to satisfy the resulting force due to the magnetic field?A. PositiveB. NegativeC. Its not possible!
0%0%0%
In what direction does the force due to the electric field on the charged particle point?
A. to the leftB. to the rightC. towards the top of the
screenD. towards the bottom of the
screenE. into the screenF. out of the screenG. none of the above
0% 0% 0%0%0%0%0%
In what direction does the force due to the magnetic field on the charged particle point?
A. to the leftB. to the rightC. towards the top of the
screenD. towards the bottom of the
screenE. into the screenF. out of the screenG. none of the above
0% 0% 0%0%0%0%0%