What is the reactance of a 100 ?H inductor operating at 100 kHz?
A) 62.8 k? B) 6.28 ? C) 62.8 ? D) infinite ?
C
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Stairs provide easy access between the floors of a building; one type, ____, have one 90-degree turn between elevations and the two sides pf the L are connected by a landing.
A. straight stairs B. L-shaped stairs C. double-L stairs D. U-shaped stairs
Determine the transfer functions from input voltage to angular velocity and from load torque to angular velocity for a PM DC motor rigidly connected to an inertial load. Assume resistance and inductance parameters Ra , La let the armature constant be ka . Assume ideal energy conversion, so that ka = kT . The motor has inertia Jm and damping coefficient bm, and it is rigidly connected to an inertial load with inertia J and damping coefficient b. The load torque TL acts on the load to oppose the magnetic torque.
Find: Transfer functions from armature voltage to angular velocity and from load torque to angular velocity. Schematics, diagrams, circuits and given data.
Name one material commonly used for prefabricated bridges.
What will be an ideal response?
Within a colony of bees, there are three basic types of bees: the ____________________, drones, and workers
Fill in the blank(s) with correct word