18 points x 6



Review & Practice for Basic Electricity, By C-C Tsai June 2016

Contents

• Determine the total inductance LT for Inductors in Series and parallel.

• Determine the self-induced voltage VL for an Inductor entered into a varying current.

• Explain how to generate a power for storing energy into battery.

• Determine the total capacitance CT for Capacitors in Series and parallel.

• Determine the distributed voltage VC for Capacitors in Series and parallel.

• Determine the voltage VC for Capacitors charging and discharging.

• Determine the voltage or current for a circuit containing R, C, and L in DC steady state.

• Determine the voltage or current for a resitive circuit containing at least one color-code resistor.

• Determine the limited resistance Rs for turning on multiple LEDs in series and parallel.

• Determine the voltage Va using Millman’s theorem for a resistive circuit.

• Determine the loading resistance RL using Maximum power transfer for a resistive circuit.

• Determine the voltage or current for a resistive circuit using Source conversion.

• Determine the voltage or current for a resistive circuit using Nodal analysis.

• Determine the voltage or current for a resistive circuit using Superposition theorem.

• Determine the voltage or current for a Bridge network.

• Determine the voltage or current for a resistive circuit using Thevenin’s theorem.

• Determine the voltage or current for a resistive circuit using Delta-Wye conversion.

• Determine the total inductance LT for Inductors in Series and parallel.

Given L1=1mH, L2=4.4mH, L3=3mH, L4=1.6mH, L5=8mH, and L6=2mH, determine the total inductance LT.

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• Determine the induced voltage VL for an Inductor entered into a varying current.

Determine VL if L= 0.75H with a varying current i.

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• Explain how to generate a power for storing in battery in your motorcycle.

Faraday’s Law: Voltage is induced in a circuit whenever the flux linking the circuit is changing

Lenz’s Law: Polarity of the induced voltage opposes the cause producing it

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• Determine the total capacitance CT for Capacitors in Series and parallel.

Given C1=2(F, C2=8(F, C3=0.6(F, and C4=1.8(F, find the total capacitance CT.

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• Determine the distributed voltage VC for Capacitors in Series and parallel.

Given C1=2(F, C2=8(F, C3=0.6(F, and C4=1.8(F, find the voltage VC3 and the energy of C4.

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• Determine the voltage VC for the circuit of Capacitors charging and discharging.

Given R=2k( and C=100(F and an input Vin, plot the waveform of the voltage VC and mark the voltages at t=0.4s, 1.0s, 1.6s, and 2.0s.

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Given R=10K( and C=47(F, and if Vc(3.16V can start the alarm, how long the input voltage will be started up to 5V.

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• Determine the voltage or current for a circuit containing R, C, and L in DC steady state.

Given E=24V, R1=3k(, R2=6k(, R3=2k(, and R4=4k(, determine VC1 if the circuit is DC steady state.

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Given E=12V, R1=1.6k(, R2=4k(, R3=6k(, R4=3k(, and L1=0.5H, determine IR1 if the circuit is DC steady state.

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• Determine the resistance R for a color-code resistor.

Given RS=0.25k(, R1=2k(, and R2=orange-black-red-gold, determine VR2.

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Given RS=0.5k(, R1=2k(, R2=4k(, and R3=yellow- black-red-gold, determine IR3.

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• Determine the limited resistance Rs for turning on LEDs in series or parallel.

A normal-on LED has the forward voltage 1.5V and forward current 10mA, find the proper resistance RS and RS2 such that their circuits can drive these LEDs.

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• Determine the voltage Va using Millman’s theorem for a resistive circuit.

Given R1=3k(, R2=6k(, R3=12k(, and RL=2k(, find VRL using Millman’s theory.

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Given R1=3k(, R2=6k(, R3=12k(, and RL=2k(, find VRL using Millman’s theory.

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• Determine the loading resistance R using Maximum power transfer for a resistive circuit.

Given R1=4k(, R2=12k(, R3=2k(, R4=6k(, and R5 =1.5k(, determine RL such that can get maximum power transfer.

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Given R1=4k(, R2=16k(, R3=2k(, R4=6k(, and R5 =1.5k(, determine RL such that can get maximum power transfer.

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• Determine the voltage or current using Source conversion for a resistive circuit.

Given R1=1k(, R2=2k(, R3=4k(, and RL=3k(, determine IRL using source conversion.

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• Determine the voltage or current using Nodal analysis for a resistive circuit.

Given R1=1k(, R2=2k(, R3=4k(, and RL=3k(, determine IRL using Nodal analysis.

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Determine VR2 using Nodal analysis.

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• Determine the voltage or current using Superposition theorem for a resistive circuit.

Given R1=1k(, R2=2k(, R3=4k(, and RL=3k(, determine IRL using Superposition theorem.

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• Determine the voltage or current for a Bridge network.

Given R1=4k(, R2=5k(, R3=8k(, and RL=0.5k(, determine R4 such that the current IRL is zero.

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• Determine the voltage or current using Thevenin’s theorem for a resistive circuit.

Given R1=3k(, R2=5k(, R3=7k(, R4=5k(, and RL=0.4k(, determine the current IRL.

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• Determine the voltage or current using Delta-Wye conversion for a resistive circuit.

Determine the voltage Vo using ( and Y conversion.

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