Name the semiconductor device that can be used to regulate an irregulation dc power supply. With the help of I-V characteristics of this device, explain its working.

Name a simiconductor device whiich can be used as a voltage regualtor

Name the device that can be used to detect the presence of current in a circuit

The figure shows the V-I characteristic of a semiconductor diode designed to operate under revese bias (a) identify the semiconductor diode used (b) draw the cirucuit diagram to obtain the given characteristics of this devics (c ) briefly expain one use of this device

Name one device that can be used by short statured person to see over the head of a crowd.

All the characters that a device can use is called its?

The output of an unregulated dc power supply is to be regulated. Name the device that can be used for this purpose.