An ac generator with a frequency of 30.0 Hz and an rms voltage
of 14.0 V is connected to a 65.0 μF capacitor.
1. What is the maximum current in this circuit?
2. What is the current in the circuit when the voltage across
the capacitor is 4.30 V and increasing?
3. What is the current in the circuit when the voltage across
the capacitor is 4.30 V and decreasing?
An AC generator supplies an rms voltage of 230 V at 60.0 Hz. It
is connected in series with a 0.300 H inductor, a 4.30 μF capacitor
and a 256 Ω resistor.
What is the impedance of the circuit?
What is the rms current through the resistor?
What is the average power dissipated in the circuit?
What is the peak current through the resistor?
What is the peak voltage across the inductor?
What is the peak voltage across the capacitor?...
An AC generator supplies an rms voltage of 230 V at 60.0 Hz. It
is connected in series with a 0.400 H inductor, a 3.40 μF capacitor
and a 206 Ω resistor.
What is the impedance of the circuit? Tries 0/20
What is the rms current through the resistor? Tries 0/20
What is the average power dissipated in the circuit? Tries
0/20
What is the peak current through the resistor? Tries 0/20
What is the peak voltage across the inductor?...
An AC generator supplies an rms voltage of 240 V at 50.0 Hz. It
is connected in series with a 0.350 H inductor, a 3.60 μF capacitor
and a 211 Ω resistor.
1. What is the impedance of the circuit?
2. What is the rms current through the resistor?
3. What is the average power dissipated in the circuit?
4. What is the peak current through the resistor?
5. What is the peak voltage across the inductor?
6. What is...
The voltage amplitude of an ac source is 28.0V , and its angular
frequency is 1100rad/s . Find the current amplitude if the
capacitance of a capacitor connected across the source is
A) 1.00
An ac generator has a frequency of 7.5 kHz and a voltage of 35
V. When an inductor is connected between the terminals of this
generator, the current in the inductor is 30 mA. What is the
inductance of the inductor?
A series ac circuit consists of a voltage source of frequency f
= 60 Hz and source voltage amplitude 345 volts, a resistor of
resistance R = 255 Ω, a capacitor of capacitance C = 6.2×10−6F, and
an inductor of inductance L.
(a) What must be the value of L for the phase angle Φ to be
zero?
(b) When L has the value calculated in (a), what is the current
amplitude in the circuit?
The resistanceless inductor is connected across the ac source
whose voltage amplitude is 29.0Vand angular frequency is 1000rad/s
. Find the current amplitude if the self-inductance of the inductor
is
A) 1.00E^-2 H? (A)
B) 1.00 H? (mA)
C) 100 H? (mA)
Question 6)
a) What is the RMS value of an AC signal? In case of sinusoidal
signals which relationship exists
between RMS and maximum values? [5 marks]
b) Why AC quantities cannot be added arithmetically as in DC? [5
marks]
Question 7)
Given the following A.C. voltage, v(t) = 80 sin (942t – π/6),
state:
(a) angular frequency [3 marks]
(b) Period [3 marks]
(c) phase difference [4 marks]
Question 2)
Using diagrams, state at least three (3) characteristics of...