Physics

Solution Library


Ozone Layer Play in Protecting Life on Earth’s Surface

Question What role does the ozone layer play in protecting life on Earth’s surface? What role does Earth’s magnetosphere play? Summary This question belongs to geophysics and discusses about the ozone layer play in protecting life on Earth’s surface. Total word count: 146 &nbs ... Read More

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Society Concern about Asteroids Impacts or nearby Supernova Explosions

Question Should society be concerned about low-probability events such as asteroid impacts or nearby supernova explosions? We know that there are many natural drivers of climate change. Should society be concerned about global climate change that can take decades to centuries to manifest itself? S ... Read More

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Management Information Systems Applications and DBMS

Question Your task is to read the following case regarding a trade show event that involve a Database in order to keep track of the components, equipment and shipments of this event. Suppose that you are a marketing manager for a consumer electronic company and you are in charge of setting up your ... Read More

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Define Inductive Reactance

Question Define inductive reactance XL Summary This question belongs to electrostatics in physics and discusses about inductive reactance. Answer is in JPEG format   ... Read More

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Define Capacitive Reactance

Question Define capacitive reactance XC Summary This question belongs to electrostatics in physics and discusses about capacitive reactance. Answer is in JPEG format   ... Read More

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Calculation of Inductance Reactance and Current Flow Through an Inductor

Question A sinusoidal voltage of 10V RMS at 1 kHz is applied to a pure inductance of 10 mH. Calculate: Inductance reactance Current flowing through the inductor Draw a phasor diagram Sketch the inductance voltage and current over one cycle. Summary This question belongs to electrostatics ... Read More

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Calculation of Capacitor Reactance and Current Flow Through a Capacitor

Question A 10 F capacitor has a 15 kHz alternating voltage of 15Vp.p applied across it. Calculate: The reactance of the capacitor. The current flowing in the capacitor. Draw a phasor diagram Sketch the capacitor voltage and current over one cycle. Summary This question belongs to electros ... Read More

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Calculation of Inductance and Resistance of an R-L Circuit

Question A voltage of 50 volts RMS at 50Hz is applied across a series R-L circuit. If the supply current is 2.7 amps RMS and the voltage across R is 34 volts RMS, calculate R and L. Summary This question belongs to electrostatics in physics and discusses about an R-L circuit and to calculate resi ... Read More

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Calculation of Circuit Impedance and Magnitude of Current of an R-C Circuit

Question A voltage of 24 V RMS at 400 Hz is applied to a series R-C circuit. If the resistance is 15  and the capacitance 40 F, determine: Circuit impedance Magnitude of current Phase angle between current and voltage current. Summary This question belongs to electrostatics in physics ... Read More

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Phasor Diagram that Shows Voltage across the Resistance and Voltage across the Inductance

Question Consider an ac signal applied to a series R-L circuit. Draw a phasor diagram showing the voltage across the resistance, the voltage across the inductance and the resultant circuit voltage. From the above result derive the power triangle Indicate on the diagram, true power P, reactive p ... Read More

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Impedance Phasor Diagram for A Series RLC Network

Question Consider a series RLC circuit where L = 25 H, C = 25.6nF and R= 1 . Draw the impedance phasor diagram for this series RLC network. Sketch the impedance as a function of frequency. Give the conditions for resonance and compute the resonant frequency in Hz. Compute the Q and bandwidth. ... Read More

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Circuit and Phasor Diagram of a Circuit and Conditions for Resonance

Question A capacitance of 1 F is connected in parallel with a 1mH inductance. The inductance has a series resistance of 1Ω. Draw the circuit diagram. Draw the phasor diagram. State the conditions for resonance in this circuit. Compute the resonant frequency. Draw the circuit of a sim ... Read More

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