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If a zener diode (Vz = 5V and lz = 10 mA) is connected in series with a resistance and 20V is applied across the combination, then the maximum resistance one can use without spoiling zener action (in kΩ) is :
    Correct answer is '1.5'. Can you explain this answer?
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    If a zener diode (Vz = 5V and lz = 10 mA) is connected in series with ...
    The principal use of a zener diode is in a voltage regulator. In a voltage regulator, the voltage across the load remains constant over a range of current.

    The correct answer is: 1.5
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    If a zener diode (Vz = 5V and lz = 10 mA) is connected in series with ...
    The maximum resistance one can use without spoiling zener action can be calculated using Ohm's Law and the zener diode current equation.

    Ohm's Law states that V = I * R, where V is the voltage, I is the current, and R is the resistance.

    The zener diode current equation is given by I = (Vz - V)/Rz, where Vz is the zener voltage and Rz is the zener diode impedance.

    In this case, Vz = 5V, lz = 10 mA (0.01 A), V = 20V, and we want to find the maximum resistance R.

    From Ohm's Law, we can rearrange the equation to solve for R:
    R = V/I

    Substituting the values, we have:
    R = 20V / 0.01 A
    R = 2000 ohms

    The maximum resistance one can use without spoiling zener action is 2000 ohms, or 2 kΩ.
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    If a zener diode (Vz = 5V and lz = 10 mA) is connected in series with a resistance and 20V is applied across the combination, then the maximum resistance one can use without spoiling zener action (in kΩ) is :Correct answer is '1.5'. Can you explain this answer?
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