Monday
October 20, 2014

Homework Help: Physics 2

Posted by seanmarch58 on Monday, July 28, 2014 at 5:21pm.

Explain briefly the workings of electrical transformer, both step-up and step-down

In a step-up transformer, compare the secondary voltage and current to the corresponding primary values. Explain briefly how transformers minimize losses in long distance electrical circuits.

What is the relationship between kWh and Joules?

Explain briefly the difference between peaks and rms voltage.

In an AC circuit that contains a capacitor and an inductor, impedance replaces the DC concept of resistance. Explain briefly the difference between the two quantities.

An AC circuit with a variable frequency generator, a resistor, an inductor, and a capacitor has a resonant frequency, at which the maximum current flows. Explain

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