Which one of the following statements best describes magnetic hysteresis?
Options: Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet, Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet, Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently, Hysteresis is most apparent when the core material is saturated
Which one of the following statements most accurately describes the nature of inductive reactance?
Options: Inductive reactance is an opposition to current flow in dc circuits, Inductive reactance is an opposition to current flow in ac circuits, Inductive reactance is another term for counter emf, Inductive reactance is a force that tends to overcome the effects of counter emf
Options: (A)where the process will reside in memory, then absolute code can be generated (B) where the process will reside in memory, then the compiler must generate relocatable code (C) if the process can be moved during its execution from one memory segment to another,the binding must be delayed until run time (D) all of the above 26
Hermann Scheer (Germany) received right Livelihood Award in 1999 for
Options: his indefatigable work for thepromotion of solar energy worldwide, his long standing efforts to end the impunity of dictators, showing that organic agriculture is a key to both environmental sustainability and food security, None of the above
6.A solution to the Dining Philosophers Problem which avoids deadlock is
Options: (A)ensure that all philosophers pick up the left fork before the right fork. (B) ensure that all philosophers pick up the right fork before the left fork. (C) ensure that one particular philosopher picks up the left fork before the right fork, and all other philosophers pick up the right fork before the left fork. (D) none of the above 24