An inductor with an XL of 420 ? is in series with a capacitor with an XC of 120 ? across a sine wave ac source. The value of XS for the circuit is
A) 540 ? ?90° B) 300 ? ?-90° C) 540 ? ?-90° D) 300 ? ?90°
D
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?Fluorocarbons, silicones, polyimides, and filled plastics must be used for products that will be subjected to ____.
A. ?high UV B. ?heat C. ?cold D. ?high tensile strength
The first step in troubleshooting a system is:
A) Replacing defective components. B) Recognizing what component is operating incorrectly. C) Testing to isolate the cause. D) Understanding the system operational sequence.
The [?] centre area of the wheel is designed to allow for easy tire removal and installation
What will be an ideal response?
In an inverting op-amp amplifier, the feedback component is a 1000 ? resistor and the component between the input voltage terminal and the operational amplifier’s inverting input is a 10 ?F capacitor. If the voltage transfer function is H ( f ) , what are the magnitude and phase of H (200) ?
What will be an ideal response?