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In a series RC circuit, 12 V(rms) is measured across the resistor and 15 V(rms) is measured across the capacitor. The rms source voltage is
A
3 V
B
27 V
C
19.2 V
D
1.9 V
Correct Answer:
19.2 V
In a series RL circuit, 12 V rms is measured across the resistor and 14 V rms is measured across the inductor. The peak value of the source voltage is
A
18.4 V
B
26.0 V
C
2 V
D
20 V
The parallel combination of a 6.8 kΩ resistor and a 10 kΩ resistor is in series with the parallel combination of a 2.2 kΩ resistor and a 1 kΩ resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)
A
6.8 kΩ
B
2.2 kΩ
C
6.8 kΩ and 10 kΩ
D
2.2 kΩ and 1 kΩ
What is the source voltage applied across a loop containing a resistor of 1000 ohm and capacitor of 15 microfarads in series when a current of 0.02 ampere flows across the circuit? Given that the voltage drop across capacitor is 5 Volts?
A
25 Volts
B
24 Volts
C
26 Volts
D
28 Volts
What is the source voltage applied across a loop containing a resistor of 100 ohm and capacitor of 15 microfarads in series when a current of 0.05 ampere flows across the circuit? Given that the voltage drop across capacitor is 2 Volts?
A
7 Volts
B
4 Volts
C
6 Volts
D
8 Volts
What is the source voltage applied across a loop containing a resistor of 500 ohm and capacitor of 10 microfarads in series when a current of 0.02 ampere flows across the circuit? Given that the voltage drop across capacitor is 2 Volts.
A
12 Volts
B
4 Volts
C
6 Volts
D
8 Volts
Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is
A
16.54 V
B
1.65 V
C
10.60 V
D
5.93 V
Two resistors are in series: a 5.6 kΩ resistor and a 4.7 kΩ resistor. The voltage drop across the 5.6 kΩ resistor is 10 V. The voltage across the 4.7 kΩ resistor is
A
8.39 V
B
10 V
C
2.32 V
D
0 V
A series resonant band-pass filter consists of a 2 mH coil, a 0.005 µF capacitor and a 120 Ω resistor. The winding resistance of the coil is 12 Ω. The output voltage is taken off the resistor. Input voltage is 12 V
rms
. What is the output voltage magnitude at the center frequency (f
0
)?
A
10.9 V
B
1.09 V
C
1.1 V
D
12 V
A series resonant band-stop filter consists of a 68 Ω resistor, a 110 mH coil, and a 0.02 µF capacitor. The internal resistance, RW, of the coil is 4 Ω. Input voltage is 200 mV. Output voltage is taken across the coil and capacitor in series. What is the output voltage magnitude at f0?
A
1.1 mV
B
11.1 mV
C
111 mV
D
200 mV
A network consisting of a finite number of linear resistor (R), inducer (L), and capacitor (C) elements, connected all in series or all in parallel, is excited with a source of the form
$$\sum\limits_{k = 1}^3 {{a_x}\,\cos \left( {k{\omega _0}t} \right),{\rm{were}}\,{a_k} \ne 0,} \,{\omega _0} \ne 0.$$
The source has nonzero impedance. Which one of the following is a possible form of the output measured across a resistor in the network?
A
$$\sum\limits_{k = 1}^3 {{b_x}\,\cos \left( {k{\omega _0}t + {\phi _k}} \right),{\rm{were}}\,{b_k} \ne {a_k},} \,\forall K$$
B
$$\sum\limits_{k = 1}^3 {{b_x}\,\cos \left( {k{\omega _0}t + {\phi _k}} \right),{\rm{were}}\,{b_k} \ne 0,} \,\forall K$$
C
$$\sum\limits_{k = 1}^3 {{a_x}\,\cos \left( {k{\omega _0}t + {\phi _k}} \right)} $$
D
$$\sum\limits_{k = 1}^2 {{a_x}\,\cos \left( {k{\omega _0}t + {\phi _k}} \right)} $$