31. 

The Norton current is sometimes called the

A. Shorted-load current
B. Open-load current
C. Thevenin current
D. Thevenin voltage
E. None of the above

32. 

At room temperature a conductor has low many holes?

A. Same number as free electrons
B. many
C. Only those produced by thermal energy
D. less than the free electrons
E. None of the above

33. 

A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff?

A. 2 k Ohm
B. 10 k Ohm
C. 20 k Ohm
D. 1 k Ohm
E. None of the above

34. 

When the Q point moves along the load line, the voltage increases when the current

A. Decreases
B. Stays the same
C. Increases
D. Can be any of above
E. None of the above

35. 

What is the smallest number of polarities required for current flow?

A. One - a negative terminal
B. Two - a negative terminal and a positive terminal
C. Three - negative, positive and neutral terminals
D. Four - two negative and two positive
E. None of the above