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36. A transistor has how many doped regions?
A. 1
B. 2
C. 3
D. 4
E. None of the above
37. The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values?
A. 0.93 W
B. 0.93 V
C. 1 A
D. 9.3 W
E. None of the above
38. A loadstone is:
A. a natural magnet
B. a temporary magnet
C. an artificial magnet
D. a paramagnetic alloy
E. None of the above
39. Which one of the following phrases most accurately describes a purely capacitive circuit?
A. Resistances provide the only opposition to current flow
B. Capacitive reactance provides the only opposition to current flow
C. The ac voltage leads the current by 90 degree
D. Combinations of resistance and capacitive reactance provide any opposition to current flow
E. None of the above
40. The saturation point is approximately the same as
A. cutoff point
B. lower end of the load line
C. upper end of the load line
D. infinity
E. None of the above
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