Choose the correct statement about $Zener$ diode.
- AIt works as a voltage regulator in reverse bias and behaves like a simple $P-n$ junction diode in forward bias.
- BIt works as a voltage regulator in both forward and reverse bias.
- CIt works as a voltage regulator only in forward bias.
- DIt works as a voltage regulator in forward bias and behaves like a simple $P-n$ junction diode in reverse bias.
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$A$ Zener diode having breakdown voltage $V_z = 6 \, V$ is used in a voltage regulator circuit as shown in the figure. The minimum current required to pass through the Zener to act as a voltage regulator is $10 \, mA$ and the maximum allowed current through the Zener is $40 \, mA$. The maximum value of $R_s$ for the Zener to act as a voltage regulator is (in $\Omega$)
The $I-V$ characteristics of an electronic device are shown in the figure. The device is:
DifficultJEE MAIN 2024
View SolutionThe value of the resistor,$R_S$,needed in the $dc$ voltage regulator circuit shown here,equals
$A$ $9\,V$ stabilized voltage supply is required to run a car stereo system from the car's $12\,V$ battery. $A$ Zener diode with $V_z = 9\,V$ and $P_{max} = 0.27\,W$ is to be used as the voltage regulator. The load resistance is $450\,\Omega$. The value of the series resistor $R_s$ is....$\Omega$.
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View Solution$A$ Zener diode with voltage $V_z = 6 \ V$ is used to maintain a constant voltage across a load resistance $R_L = 1000 \ \Omega$. $A$ series resistor $R_s = 100 \ \Omega$ is used. If the source $e.m.f$ is $E = 9 \ V$,then the power dissipated in the Zener diode is .......... $W$.
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