Mixed Quiz (See related pages) 1 An ordinary resistor is a nonlinear device because the graph of its current versus voltage is a curved line. A) True B) False 2 An ideal diode acts like a switch that closes when reverse-biased and opens when forward-biased. A) True B) False 3 You can quickly check the condition of a diode with a voltmeter on a high voltage range. A) True B) False 4 A diode that measures extremely low resistance in both directions is called a shorted diode. A) True B) False 5 Much of the information on a manufacturer’s data sheet is very important and of use to technicians and circuit designers. A) True B) False 6 Manufacturer’s data sheets generally do not list the value of bulk resistance. A) True B) False 7 The ratio of total voltage to total diode current is the bulk resistance of the diode. A) True B) False 8 The load line is a tool used to find the exact value of a diode’s dc resistance. A) True B) False 9 Surface mount diodes are small and efficient. A) True B) False 10 The p side of a diode is referred to as the . 11 The sum of the ohmic resistance is called the resistance. 12 All silicon diodes have a knee voltage of approximately volts. 13 A diode can be effectively checked by using a(n) . 14 A diode that exhibits high resistance in both directions when measured with an ohmmeter is . 15 The knee voltage of a germanium diode is approximately volts. 16 The ratio of total diode voltage to total diode current is the resistance. 17 When graphing diode characteristics, a tool used to find the exact value of diode current and voltage is the line. 18 In a diode, after the barrier potential is overcome, all that impedes the current is the A) ohmic resistance of the p and n regions B) bulk resistance C) dynamic resistance of the p region D) depletion resistance 19 How is the power dissipation of a diode calculated? A) diode current times diode resistance B) diode voltage divided by diode current C) diode voltage times diode current D) diode current divided by diode voltage 20 Most electronic troubleshooters begin by measuring A) voltages out of the power supply B) resistances of the diodes C) power of the diodes D) current out of the power supply 21 What is the data sheet specification that lists the reverse current at the maximum reverse dc rated voltage? A) reverse breakdown B) maximum forward current C) maximum reverse current D) forward breakdown 22 The point of intersection which is called the Q point, represents A) the intersection of the diode curve and the load line B) the intersection of cutoff and the diode voltage C) the intersection of saturation and diode current D) the intersection of cutoff and diode current 23 The two most popular basic styles of surface-mount packages are surface mount and A) small outline transistor B) large outline transistor C) surface outline diode D) surface outline transistor 24 Much of the information on a manufacturer’s data sheet is A) necessary to understand diode circuits B) necessary to troubleshoot diode circuits C) obscure and of use only to circuit designers D) necessary only to electronic technicians 25 As with many tiny surface mount devices, the determination of the PIN is obtained from A) clues on the circuit board and schematic diagram B) reading the numbers on the device’s underside C) reading the color code on the device’s underside D) reading the label stamped on the top of the device
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