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Recent questions tagged ac
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If the input voltage across the primary coil is Δv(t) = 170 cos ωt, where Δv is in volts and t is in seconds, what rms voltage is developed across the secondary coil?
asked
Mar 19, 2012
in
Physics
by
apush
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552
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voltage
ac
+2
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2
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3,505
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What is the phase angle between the current and the applied voltage?
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Mar 19, 2012
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Physics
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apush
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ac
phase-angle
+3
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1
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2,628
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An AC source with ΔVmax = 140 V and f = 60.0 Hz is connected between points a and d in the figure.
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Mar 19, 2012
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Physics
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yoshi
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919
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ac
rlc
+4
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1
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2,028
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What is the maximum charge that appears on either of the capacitor plates?
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Mar 19, 2012
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Physics
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yoshi
~Expert~
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919
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capacitance
charge
ac
+2
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1
answer
1,772
views
Find the rms voltage of the source.
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Mar 19, 2012
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Physics
by
apush
~Expert~
(
552
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ac
+1
vote
0
answers
633
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What is the maximum current in a 2.10-µF capacitor when it is connected across a North American electrical outlet having ΔVrms = 120 V and f = 60.0 Hz?
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Mar 19, 2012
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Physics
by
apush
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552
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ac
+1
vote
0
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219
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Assuming the energy stored in the inductor is zero at t = 0, determine the energy stored at t =
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Mar 19, 2012
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Physics
by
apush
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(
552
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ac
+1
vote
2
answers
3,871
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The maximum current is 3.00 A at 40.0 Hz. Calculate the inductance L.
asked
Mar 19, 2012
in
Physics
by
yoshi
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(
919
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ac
+2
votes
1
answer
1,249
views
Find the inductive reactance of the circuit.
asked
Mar 19, 2012
in
Physics
by
yoshi
~Expert~
(
919
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ac
+3
votes
1
answer
1,575
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Find the rms current in each bulb.
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Mar 19, 2012
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Physics
by
Gummmys
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rms
ac
+2
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1
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2,312
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What is the reading on the ammeter?
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Mar 19, 2012
in
Physics
by
Gummmys
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1,105
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ac
+2
votes
1
answer
1,947
views
A certain lightbulb is rated at 60.0 W when operating at an rms voltage of 120 V.
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Mar 19, 2012
in
Physics
by
Gummmys
~Expert~
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1,105
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resitance
voltage
ac
+3
votes
1
answer
4,422
views
When an AC source is connected across a 11.5-Ω resistor, the rms current in the resistor is 7.12 A.
asked
Mar 19, 2012
in
Physics
by
Gummmys
~Expert~
(
1,105
points)
ac
resistor
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