# Electricity and Currents Questionnaire

Description

Predict/Calculate Problem 24.19
A 19.0-uF capacitor is connected to an ac generator with an rms voltage of 116 V and a frequency of 40.0 Hz.
Part A
What is the rms current in the circuit?
μΑ
?
Value
Units
Submit
Predict/Calculate Problem 24.19
Part B
If you wish to increase the rms current, should you add a second capacitor in series or in parallel?
Series
Parallel
Submit
Correct
Part C
Find the value of the capacitance that should be added to increase the rms current to 1.75 A.
O
LE
μΑ
?
Value
Units
Submit
Problem 24.25

9 of 30
II Review
A 50.0 Hz generator with an rms voltage of 155 V
is connected in series to a resistor 3.33 k12 and a
capacitor 1.50 uF.
Part A
At what frequency must this circuit be operated for the current to lead the voltage by 17.0° ?
ΤΡΙ ΑΣφ
?
Hz
Submit
Part B
Using the frequency found in part A, find the average power consumed by this circuit.
VO
ΑΣΦ
P=
W
Submit
Problem 24.35 – Enhanced – with Feedback
A 525 12 resistor and a 300 mH inductor are
connected in series with an ac generator with an
rms voltage of 19.0 V and a frequency of 65.0 Hz
You may want to review (Pages 860 – 863).
Part A
What is the rms current in this circuit?
IVALO
?
Irms
mA
=
Submit
Problem 24.56

EVO AED
?
Vrms
V
Submit
Part B
What is the reading on a voltmeter when it is connected to points B and C?
Figure
1 of 1
EVO AE
?
Vrms
=
V
с
R
0000
www
B
D
Submit
Alternative Exercise 24.121
28 of
What is the value of R in this circuit?
An ac generator supplies an rms voltage of 7.50 V
to an RC circuit. At a frequency of 16.1 kHz the
rms current in the circuit is 43.2 mA ; at a
frequency of 26.9 kHz the rms current is 50.9 mA
V AZO
?
R =
12
Submit
Part B
What is the value of C in this circuit?
ΠΙ ΑΣΦ
?
C =
nF
Submit
Problem 24.92
29
Part A
An ac generator supplies an rms voltage of 5.00 V
to an RL circuit. At a frequency of 21.0 kHz the
rms current in the circuit is 45.0 mA; at a
frequency of 25.0 kHz the rms current is 40.0
mA.
What is the values of L in this circuit?
VALO
?
L =
=
μΗ
Submit
Part B
What is the values of R in this circuit?
V AED
?
R=
12
Submit