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Lecture 19: July 8 th 2009. Physics for Scientists and Engineers II. RLC Series Circuits –solved using Kirchhoff’s loop. RLC Series Circuits –solved using Kirchhoff’s loop. RLC Series Circuits –solved using Kirchhoff’s loop. RLC Series Circuits –solved using Kirchhoff’s loop.
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Lecture 19: July 8th 2009 Physics for Scientists and Engineers II Physics for Scientists and Engineers II , Summer Semester 2009
RLC Series Circuits –solved using Kirchhoff’s loop Physics for Scientists and Engineers II , Summer Semester 2009
RLC Series Circuits –solved using Kirchhoff’s loop Physics for Scientists and Engineers II , Summer Semester 2009
RLC Series Circuits –solved using Kirchhoff’s loop Physics for Scientists and Engineers II , Summer Semester 2009
RLC Series Circuits –solved using Kirchhoff’s loop Physics for Scientists and Engineers II , Summer Semester 2009
RLC Series Circuits –solved using Kirchhoff’s loop Physics for Scientists and Engineers II , Summer Semester 2009
RLC Series Circuits - book’s method Physics for Scientists and Engineers II , Summer Semester 2009
RLC Series Circuits - book’s method Physics for Scientists and Engineers II , Summer Semester 2009
Phasor Diagram The voltages across the components are out of phase as shown in the phasor diagram. They need to be added as vectors to get the total voltage. Physics for Scientists and Engineers II , Summer Semester 2009
Phasor Diagram The voltages across L and C can simply be subtraced from each other (180 degrees out of phase). Physics for Scientists and Engineers II , Summer Semester 2009
Phasor Diagram Physics for Scientists and Engineers II , Summer Semester 2009
Power in an AC Circuit Physics for Scientists and Engineers II , Summer Semester 2009
Power in an AC Circuit “Power factor” Physics for Scientists and Engineers II , Summer Semester 2009
Implications of power factor “Power factor” Physics for Scientists and Engineers II , Summer Semester 2009
Resonance in a Series RLC Circuit – the current Physics for Scientists and Engineers II , Summer Semester 2009
Resonance in a Series RLC Circuit – the Current Physics for Scientists and Engineers II , Summer Semester 2009
Resonance in a Series RLC Circuit – power Physics for Scientists and Engineers II , Summer Semester 2009
Resonance in a Series RLC Circuit – power Describes sharpness of resonance. Q is larger for smaller R. Physics for Scientists and Engineers II , Summer Semester 2009
AC Transformer – a simple design Secondary Winding (output) Primary Winding (input) Physics for Scientists and Engineers II , Summer Semester 2009
AC Transformer - Voltage Transformation Physics for Scientists and Engineers II , Summer Semester 2009
Step-up versus Step-down Transformers Physics for Scientists and Engineers II , Summer Semester 2009
AC Transformer – Connecting the load rms values Physics for Scientists and Engineers II , Summer Semester 2009
Transmission line economics Physics for Scientists and Engineers II , Summer Semester 2009
Transmission line economics Physics for Scientists and Engineers II , Summer Semester 2009