Question

In a series RLC circuit driven by sinusoidal input signal, the phase between the current and the input voltage is plotted in the next graph for two different values of the circuit components (curve1 and curve2). Use the graph to answer the following four questions phase , rad. 2 1 0 -1 -2 0.1 1 10 100 frequancy (f), kHz 21) Choose the correct statement: A) L1=L2 and R1=R2 but C1<C2 B) L1=L2 and C1=C2 but R1<R2 C) C1=C2 and R1=R2 but L1<L2 D) L1=L2 and C1=C2 but R1>R2 E) It is impossible to know. 22) The resonance for curve 1 occurs at frequency: A) 2 kHz B) 1.5 kHz C) 5 kHz D) 2.5 kHz E) 3.6 kHz 23) At frequency of the driven voltage f = 10 kHz the phase between the current and the input voltage for curve 2 is about: A) -1 rad. B) -0.7 rad. C) -1.2 rad. D) -1.5 rad. E) zero. 24) For curve 1, If the capacitance C1 = 0.2 uF and the resistance R1 = 100 k? then the inductance in the circuit is about: A) 20 mH B) 10 mH C) 30 mH D) 5 mH E) Non of the above.

          In a series RLC circuit driven by sinusoidal input signal, the phase between the current and the input voltage is plotted in the next graph for two different values of the circuit components (curve1 and curve2). Use the graph to answer the following
four questions

phase , rad.
2
1
0
-1
-2
0.1 1 10 100
frequancy (f), kHz

21) Choose the correct statement:

A) L1=L2 and R1=R2 but C1<C2
B) L1=L2 and C1=C2 but R1<R2
C) C1=C2 and R1=R2 but L1<L2
D) L1=L2 and C1=C2 but R1>R2
E) It is impossible to know.

22) The resonance for curve 1 occurs at frequency:

A) 2 kHz
B) 1.5 kHz
C) 5 kHz
D) 2.5 kHz
E) 3.6 kHz

23) At frequency of the driven voltage f = 10 kHz the phase between the current and the input voltage for curve 2 is about:

A) -1 rad.
B) -0.7 rad.
C) -1.2 rad.
D) -1.5 rad.
E) zero.

24) For curve 1, If the capacitance C1 = 0.2 uF and the resistance R1 = 100 k? then the inductance in the circuit is about:

A) 20 mH
B) 10 mH
C) 30 mH
D) 5 mH
E) Non of the above.

In a series RLC circuit driven by sinusoidal input signal, the phase between the current and the input voltage is plotted in the next graph for two different values of the circuit components (curve1 and curve2). Use the graph to answer the following
four questions

phase , rad.
2
1
0
-1
-2
0.1 1 10 100
frequancy (f), kHz

21) Choose the correct statement:

A) L1=L2 and R1=R2 but C1<C2
B) L1=L2 and C1=C2 but R1<R2
C) C1=C2 and R1=R2 but L1<L2
D) L1=L2 and C1=C2 but R1>R2
E) It is impossible to know.

22) The resonance for curve 1 occurs at frequency:

A) 2 kHz
B) 1.5 kHz
C) 5 kHz
D) 2.5 kHz
E) 3.6 kHz

23) At frequency of the driven voltage f = 10 kHz the phase between the current and the input voltage for curve 2 is about:

A) -1 rad.
B) -0.7 rad.
C) -1.2 rad.
D) -1.5 rad.
E) zero.

24) For curve 1, If the capacitance C1 = 0.2 uF and the resistance R1 = 100 k? then the inductance in the circuit is about:

A) 20 mH
B) 10 mH
C) 30 mH
D) 5 mH
E) Non of the above.

Added by Luisa S.

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