Semiconductor Resistance Levels Quiz
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Questions and Answers

What defines the average of the ac values from 2 mA to 17 mA?

  • Table 1.6
  • Equation (1.6)
  • Equation (1.7) (correct)
  • Equation (1.8)

    • If the ac resistance (rd) were determined at ID = 2 mA, what would its value be?

  • More than 5 D (correct)
  • Exactly 5 D
  • Less than 5 D
  • Cannot be determined from the information given

    • What does the fact that one resistance level can be used for a wide range of characteristics prove?

  • The usefulness of equivalent circuits for a diode (correct)
  • The irrelevance of resistance levels
  • The inconsistency in resistance calculations
  • The complexity of diode circuits

    • What is the lower level of currents used to determine the average resistance?

    <p>$2 mA$</p> Signup and view all the answers

    What does Equation (1.8) determine?

    <p>The average ac resistance between indicated limits</p> Signup and view all the answers

    What is the value of Lild when ID = 17 mA and ID = 2 mA?

    <p>$15 mA$</p> Signup and view all the answers

    What transition does the ac resistance make between 2 mA and 17 mA?

    <p>From high to low</p> Signup and view all the answers

    What is the purpose of Summary Table Table 1.6?

    <p>To emphasize differences among various resistance levels</p> Signup and view all the answers

    What is considered the foundation for a number of resistance calculations in later sections and chapters?

    <p>$r_{av}$ defined by Equation (1.7)</p> Signup and view all the answers

    What does Equation (1.7) define a value for?

    <p>Average of ac values from 2mA to 17mA</p> Signup and view all the answers

    What is the forward voltage (Vp) of the diode when the forward current (IF) is 200mA?

    <p>0.94 V</p> Signup and view all the answers

    What is the reverse current (Ir) of the diode when the reverse voltage (VR) is 35V?

    <p>0.5 µA</p> Signup and view all the answers

    What does the diode's breakdown voltage (BV) indicate?

    <p>The voltage at which the diode breaks down and conducts a significant current</p> Signup and view all the answers

    What does the term 'reverse recovery time' refer to in relation to a diode?

    <p>The time taken for the diode to switch from conducting in the reverse direction to conducting in the forward direction</p> Signup and view all the answers

    At what frequency is the reverse recovery time of the diode tested?

    <p>1.0MHz</p> Signup and view all the answers

    What is the maximum reverse voltage (VR) at which the capacitance (Ct) of the diode is measured?

    <p>20V</p> Signup and view all the answers

    What test condition is specified for measuring the capacitance (Ct) of the diode?

    <p>IF = 10mA, VR = 35V</p> Signup and view all the answers

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