In a circuit, opposition to current flow is called ___________________.
Fill in the blank(s) with the appropriate word(s).
resistance
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The term "root-bound" means that the roots have curled around the root ball
Indicate whether the statement is true or false
Describe the preferred orientation of the head, neck, and shoulders in sheep.
What will be an ideal response?
The contacts of a current starting relay are:
A) Normally closed. B) Normally open. C) Modulating. D) Either normally open or normally closed depending upon the compressor.
In Figure E-35 are some pole-zero plots of transfer functions of systems of the general form 
in which A = 1, the z’s are the zeros and the p’s are the poles.
(a) Which one(s) have a magnitude frequency response that is nonzero at ? = 0 ?
(b) Which one(s) have a magnitude frequency response that is nonzero as ? ? ??
(c) There are two which have a bandpass frequency response (zero at zero and zero at infinity). Which one is more underdamped (higher Q)?
(d) Which one has a magnitude frequency response whose shape is closest to being a bandstop filter?
(e) Which one(s) have a magnitude frequency response that approaches K / ?6 at very high frequencies (K is a constant)?
(f) Which one has a magnitude frequency response that is constant?
(g) Which one has a magnitude frequency response whose shape is closest to an ideal lowpass filter?
(h) Which one(s) have a phase frequency response that is discontinuous at ? = 0?