What is Zener dioide? Draw its voltage vs currrent characteristics in the reverse bias and indicaste the breakdown voltage on the characteristics. Mention one important use of this diode.

What is Zener diode? Draw its voltage vs current characteristics in the reverse bias and indicate the breakwon voltage on the characteristics. Mention one important use of this diode.

What kind of diode is used as a voltage regulator? .draw the v-i characteristic curve for this diode.

What is a photodiode ? Draw the I-V characteristic curve of a photodiode. Mention one use of photodiode.

What is a photodiode? Draw theI-V characteristic curve of a photodiode. Mention one use of photodiode.

Draw a characteristics curve of zener diode showing the variation of volatage with respect to the currrent and indicate the position of "zener voltage" in the graph.

Draw a circuit diagram to illustrate the action of a Zener diode as a voltage regulator. Draw the current versus voltage characteristics curve of a Zener diode. Indicate the position of Zener voltage in the curve.

The maximum output voltage of an unregulted voltage source is 10V. A Zener diode of rating 1 W is connected in reverse bias with this voltage source through a resistance R. The Zener diode will be burnt if R is less than 24 Omega . Find the maximum value of Zener voltage (in volt ) of the diode.

A zener diode having breakdown voltage 5.6 V is connected in reverse bias with a battery of emf 10 V and a resistance of 100 Omega in series . The current flowing through the zener is.

Draw V-I characteristics of p-n junction diode. Answer the following questions giving reasons: Why does the reverse current show a sudden increase at the critical voltage? Name any semiconductor device which operates under the reverse bias in the breakdown region.