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Homework Answers
Incorrect statement is option (b)
(a) time taken in one cycle is called time period than is T = 1/f only depends on frequency. Does not depends on amplitude.
(b) speed of wave (v) = frequecy x wavelength
Speed depends on medium. Its not compulsory that increasing frequency speed will increase.
(C) amplitude does not depends on wavelength
(d) frequency is inversely proportional to wavelength
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9. (8 points)...
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10. (8 points) Which equation correctly describes the electromagnetic wave shown to the right? a. Ex = E. sin(kz + wt) b. Ey = E. sin(kz - wt) c. By = Bo sin(kz - wt) d. By – Bo sin(kz + wt)
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Circuit 1 L Circuit 2L 7. Consider two RLC circuits with identical generators and resistors. Both circuits are driven at the resonant frequency. Circuit II has twice the inductance and 1/2 the capacitance of circuit I as shown above. At the resonant frequency, which of the following is true? Circle all answers that are true. There could be more than one correct answer. C R } +...
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4. At time t o the capacitor in the circuit below is fully charged with Qmax, and the current through the circuit is 0. How much energy is stored in the circuit when the current is maximum? A). U = Q2/20 B). U = Q2/4C C). U = 0 D). U = L1274 E). U = L12/2
Will give an up vote if detailed explanation is given. Thank you. 15. (7 points) Two parallel plates are connected to t...
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15. (7 points) Two parallel plates are connected to the terminals of a battery of voltage Vb - 6 V as shown below, right. The battery is now disconnected from the plates and the separation of the plates is doubled. What happens to the voltage difference between the two plates? A) Vtipal = 6 V B ) Vtipal = 12 V C) Yüoal = 3 V D) Vtioal...
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6. (7 points) An AC-driven RLC circuit not in resonance has a phasor diagram as shown to the right. A) Complete this diagram to show the vector representing the generator's phase relative to all the other components. B) To drive this RLC circuit at resonance, the AC frequency would need to be C. R would need to be modified to reach A....
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5. (26 points) For the LRC circuit driven, not in resonance, by an AC generator depicted below, C = 40 uF, L = 90 mH & R=80 S2. Use the relative magnitudes of the effective resistance values of each component to determine the values for your diagram. The generator is a typical one used in the U.S. with a peak voltage of...
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3. (24 points) For the LRC circuit shown to the right R1 = 330 S2, V= 12.0 V, C = 456 uF, L1= 87.0 mH and L2 =155 mH. A) Determine the current through R1 the instant the switch is closed. B) Determine the current through R after the switch has been closed a very long time. C) At what angular frequency...
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2. (18 points) A circuit is constructed with four resistors, one inductor, one 24 V battery and a switch as shown. The values for the resistors are: R1 = R2 = 35.0 32, R3 = 400 22 and R4 = 25.0 12. The inductance is L = 50 mH. The switch has been open for a long time. A) What is the...
Will give an up vote only if all parts are answered and detailed explanations are given. Thank you. 14. (14 points) A s...
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14. (14 points) A solid elliptical conductor with a net charge +Q is surrounded by a hollow spherical conductor with net charge -Q. Points a & c are on the outer surface of the inner conductor, and points b and d are on the inner surface of the outer conductor as shown. Compare yab, the magnitude of the potential difference between points...
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1A. In the circuit to the right, the switch is kept at position b for a long time so that the current is zero. At time t 0 the switch is moved to position a as shown. Which plot best describes the current through the inductor as a function of time? ob 1B. In the circuit to the right, the switch has...
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10. (8 points) Which equation correctly describes the electromagnetic wave shown to the right? a. Ex = E. sin(kz + wt) b. Ey = E. sin(kz - wt) c. By = Bo sin(kz - wt) d. By – Bo sin(kz + wt)
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Circuit 1 L Circuit 2L 7. Consider two RLC circuits with identical generators and resistors. Both circuits are driven at the resonant frequency. Circuit II has twice the inductance and 1/2 the capacitance of circuit I as shown above. At the resonant frequency, which of the following is true? Circle all answers that are true. There could be more than one correct answer. C R } +...
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4. At time t o the capacitor in the circuit below is fully charged with Qmax, and the current through the circuit is 0. How much energy is stored in the circuit when the current is maximum? A). U = Q2/20 B). U = Q2/4C C). U = 0 D). U = L1274 E). U = L12/2
Will give an up vote if detailed explanation is given. Thank
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15. (7 points) Two parallel plates are connected to the terminals of a battery of voltage Vb - 6 V as shown below, right. The battery is now disconnected from the plates and the separation of the plates is doubled. What happens to the voltage difference between the two plates? A) Vtipal = 6 V B ) Vtipal = 12 V C) Yüoal = 3 V D) Vtioal...
Will give an up vote only if all parts are answered and detailed
explanations are given. Thank you.
6. (7 points) An AC-driven RLC circuit not in resonance has a phasor diagram as shown to the right. A) Complete this diagram to show the vector representing the generator's phase relative to all the other components. B) To drive this RLC circuit at resonance, the AC frequency would need to be C. R would need to be modified to reach A....
Will give an up vote only if all parts are answered and detailed
explanations are given. Thank you.
5. (26 points) For the LRC circuit driven, not in resonance, by an AC generator depicted below, C = 40 uF, L = 90 mH & R=80 S2. Use the relative magnitudes of the effective resistance values of each component to determine the values for your diagram. The generator is a typical one used in the U.S. with a peak voltage of...
Will give an up vote only if all parts are answered and detailed
explanations are given. Thank you.
3. (24 points) For the LRC circuit shown to the right R1 = 330 S2, V= 12.0 V, C = 456 uF, L1= 87.0 mH and L2 =155 mH. A) Determine the current through R1 the instant the switch is closed. B) Determine the current through R after the switch has been closed a very long time. C) At what angular frequency...
Will give an up vote only if all parts are answered and detailed
explanations are given. Thank you.
2. (18 points) A circuit is constructed with four resistors, one inductor, one 24 V battery and a switch as shown. The values for the resistors are: R1 = R2 = 35.0 32, R3 = 400 22 and R4 = 25.0 12. The inductance is L = 50 mH. The switch has been open for a long time. A) What is the...
Will give an up vote only if all parts are answered and detailed
explanations are given. Thank you.
14. (14 points) A solid elliptical conductor with a net charge +Q is surrounded by a hollow spherical conductor with net charge -Q. Points a & c are on the outer surface of the inner conductor, and points b and d are on the inner surface of the outer conductor as shown. Compare yab, the magnitude of the potential difference between points...
Will give an up vote only if all parts are answered and detailed
explanations are given. Thank you.
1A. In the circuit to the right, the switch is kept at position b for a long time so that the current is zero. At time t 0 the switch is moved to position a as shown. Which plot best describes the current through the inductor as a function of time? ob 1B. In the circuit to the right, the switch has...
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