benavides (jjb2356) – homework 27 – Turner – (59130)
1
This printout should have 10 questions.
Multiplechoice questions may continue on
the next column or page – fnd all choices
beFore answering.
001
(part 1 oF 3) 10.0 points
An
AC
voltage oF the Form
V
=
V
max
sin2
πft ,
with Frequency 62 Hz and maximum voltage
190 V, is applied across a 14 W light bulb.
When the voltage is frst applied, what is
the current through the circuit?
1.
the
rms
current
2.
0
3.
the maximum current
002
(part 2 oF 3) 10.0 points
When
t
=
T
4
, where
T
is the period oF the
applied voltage, what is the current in the
circuit?
Answer in units oF A.
003
(part 3 oF 3) 10.0 points
What is the
rms
current in the circuit?
Answer in units oF A.
004
(part 1 oF 2) 10.0 points
An AC power supply produces a maximum
voltage oF 125 V. This power supply is con
nected to a 33 Ω resistor, and the current and
resistor voltage are measured with an ideal
AC ammeter “A” and an ideal AC voltmeter
“V”, as in the fgure.
V
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This note was uploaded on 03/26/2012 for the course PHY 303L taught by Professor Turner during the Spring '08 term at University of Texas.
 Spring '08
 Turner
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