Homework Answers
If all the components are part of some electric circuits then we need to analyze by looking at voltage variation across resistor and current through resistor to conclude whether circuit is purely resistive or it is behaving like inductive or capacitive one.
a) the current leads voltage by 45 degree
b)
the current leads voltage
c)
the voltage leads the current
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5. Electric power is going through throe components in a circuit (a) a resistor, (b) an inductor ...
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31.56: The L-R-C Parallel Circuit. A resistor, inductor, and capacitor are connected in parallel to an ac source with voltage amplitude V and angular frequency w. Let the source voltage be given by v V cos wt. a) Show that the instantaneous voltages vR, VIL, and ve at any instant are equal to i-k-il+ic. where i is the current through the sou the resistor, inductor, and the capacitor. b) What are the phases of IR, iL, and ic with respect...
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EXERCISE 2: USING PHASORS FOR A DRIVEN RC CIRCUIT 10. On the middle set of axes,...
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23) Given a filtering circuit, you are asked to connect the following components in series. A...
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3. If the circuit in Fig. 2 is built and operated, it will be found that the resistor becomes much hotter than the inductor, even though both components drop the exact same amount of voltage and carr...
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R1 L1 1mH 10Ω V1 C1 Figure 4 LC circuit with a resistor, an inductor, a...
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) An inductor is formed hy winding V tuns of a thin conducting wire into a circular f radius a. The inductor toop is in the plane with its center at the origin and connected to a resistor R. In t...
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A resistance R = 10Ω, a capacitor C = 15μF, an inductor of L = 38mH,...
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31.56: The L-R-C Parallel Circuit. A resistor, inductor, and capacitor are connected in parallel to an ac source with voltage amplitude V and angular frequency w. Let the source voltage be given by v V cos wt. a) Show that the instantaneous voltages vR, VIL, and ve at any instant are equal to i-k-il+ic. where i is the current through the sou the resistor, inductor, and the capacitor. b) What are the phases of IR, iL, and ic with respect...
PHYS 212 RECITATION EXERCISE 1: USING PHASORS FOR A DRIVEN RC CIRCUIT We will consider a circuit consisting of a time varying emf in series with a capacitor and resistor. The capacitance and resistance are fixed but we can tune the frequency of the source. In an AC circuit, each element has a "reactance" which can be used to relate the peak current through the element to the peak voltage across the element 1. What does the angular frequency of...
EXERCISE 2: USING PHASORS FOR A DRIVEN RC CIRCUIT 10. On the middle set of axes, draw phasors for k and ε using the provided ve phasor as a basis for a circuit in which R- 2Xc. Start by deciding what the peak voltage across the capacitor must be compared to the peak voltage across the resistor and then draw the appropriate Vc phasor We will consider a circuit consisting of a time varying emf in series with a capacitor...
23) Given a filtering circuit, you are asked to connect the following components in series. A 4mH inductor, 6 microfarad capacitor, and a 2002. They car connected with a 30 V voltage source that has angular frequency of 250 rad's. i) What is the impedance of the entire circuit? j) What are the voltages across the resistor and inductor? 7 k) Calculate the phase angle i licht au
23) Given a filtering circuit, you are asked to connect the following components in series. A 4mH inductor, 6 microfarad capacitor, and a 200 S2. They car connected with a 30 V voltage source that has angular frequency of 250 rad/s. i) What is the impedance of the entire circuit? j) What are the voltages across the resistor and inductor? k) Calculate the phase angle
3. If the circuit in Fig. 2 is built and operated, it will be found that the resistor becomes much hotter than the inductor, even though both components drop the exact same amount of voltage and carry the exact same amount of current: 339.4 Alternator 34 2 9.02 mH 480 VAC 60 Hz 3394 Fig. 2. Alternator driving a series loop with resistor and inductor. There is an identical voltage drop across each device, and they carry exactly the same...
R1 L1 1mH 10Ω V1 C1 Figure 4 LC circuit with a resistor, an inductor, a capacitor and long time before -0, the switch is i inductor, a switch is moved to pole position positio a two-pole switch. For a n pole position B (Cl discon position A at-O. The following questions apply to this cir C1 is disconnected and uncharged). The position A, what is the c urrent in resistor, RI.(6) (a) Before the switch is moved to pole...
) An inductor is formed hy winding V tuns of a thin conducting wire into a circular f radius a. The inductor toop is in the plane with its center at the origin and connected to a resistor R. In the presence of a loop as shown below around a non-magnetic material r- y magnetio field B ธิ 2094 + Z)sin(at) wb/m.. Teslas. where ω-angular frequency Derive and calculate the following parameters (a) Derive the magnetic flux linking a single...
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