Recent content by zakaqel

You got the right answer...

Homework Statement A length of Cu wire carries a current of 10 A uniformly distributed throughout its cross section. Calculate the energy density of (i) magnetic field (ii) the electric field at the surface of the wire. The wire diameter is 2.5 mm and its resistance per unit length is...

It turns out that he forgot to say that the phase angle=45 degrees...ugghhhh...It's an easy one now. Thanks for the help!

well, the question was given by my professor. I am 100% sure that there is a piece of informaiton missing from the original question. BTW, the RLC is connected in series.

No impedance at resonance is given. That's what I was thinking...it'll be impossible to solve if you don't have a relation for R.

Thank you so much for the help!

Homework Statement A circuit contains only two of the three elements L,C ,R. When connected to a 120 V , 60 HZ ac generator, the current of 6.4 A lags the voltage by 30o. What are the two elements and their values? Homework Equations The Attempt at a...

Homework Statement A RLC circuit has a resonance frequency of 6 KHz. When it is driven by a 8 KHz ac generator, it has an impedance of 1 k W. What are R, L and C in the circuit? Homework Equations The Attempt at a Solution the equation for the resonant frequency will be...

Thank you tiny-tim. I actually ended up solving the problem. The answer is -14 cm and the charge is 37.44 uc.

This a problem which was assigned using webassign: Two known charges, -10.4 µC and 46.4 µC, and an unknown charge are located on the x axis. The charge -10.4 µC is at the origin, and the charge 46.4 µC is at x = 15.6 cm. The unknown charge is to be placed so that each charge is in...