What is the resonant impedance of a series RLC circuit with a 15 mH inductor, 0.015 ?F capacitor and 80 ? resistor?
A) 80 ? B) 30 ? C) 15 k? D) 0 ?
A
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The R-value of a single glass sheet, without considering the film resistances, is approximately
A) 2.0. B) 1.0. C) 4.0. D) 3.0. E) 0.
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Mechanically held contacts will be found in the contactors used in _____.
a. the spinning rooms of some plants b. powerhouses c. churches d. parking lots
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An ash ____ is a small door in the floor of the fireplace.
A. box B. throat C. pit D. dump
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The resonant frequency (
) of a circuit containing both inductance (L) and capacitance (C) may be found by the reciprocal of two pi (
) Hint:((The reciprocal is 
)) multiplied by the square root of the product of the inductance and capacitance.
A. 
B. 
C. 
D. 
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