An RLC series circuit has R = ohm, X_C = 3, and X_1 = -6 ohm. The impedance of t

Question

An RLC series circuit has R = ohm, X_C = 3, and X_1 = -6 ohm. The impedance of this circuit is: A)7.8 ohm B) 7 ohm C) 13 ohm D) 7 ohm E) 5 ohm Gauss' law for magnetism, contourintegral B vector middot dA = 0, tells us: A) the net charge in any given volume B) that magnetic monopoles do not exist C) that the line integral of a magnetic field around any closed loop must vanish D) the magnetic field of a current element E) charges must be moving to produce magnetic fields Two of Maxwell's equations contain an integral over a closed surface. For them the infinitesimal vector area A vector is always: A) tangent to the surface B) perpendicular to the surface and pointing inward C) tangent to a field line D) perpendicular to the surface and pointing outward E) perpendicular to a field line

Explanation / Answer

solving first question of the page

6

Impedence=sqrt(R^2+(XL-XC)^2)=5

7.

Gauss law for magnetism tell that magnetic flux is zero so magnetic poles do not exist

option(B) is correct

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