A ____ is a relaxation oscillator that can function in either of two temporarily stable conditions and is capable of rapidly switching from one temporary state to the other.
A. multivibrator
B. blocking oscillator
C. Wien-bridge oscillator
D. phase-shift oscillator
Answer: A
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Under normal working conditions, support for the strands of a wire rope is provided by the _____.
a. sheath b. core c. wire d. coating
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The area of a triangle is one-half the base times the height.
Answer the following statement true (T) or false (F)
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How much current will flow in this circuit?
A) 3 amps B) 12 amps C) 2 amps D) None of these
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The switch in the circuit shown below has been opened for a long time before it is closed at t = 0. Find the current i(t) through the inductor for t ? 0. Assume R1 = 1 k?, R2 = 2 k?, R3 = 2 k?, R4 = 2 k?, Is = 5 mA, Vs = 6.4 V, L = 40 mH.
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