Question

write four applications of non Ohmic conductor in day to day life situation​

Answer 1

Answer:

A light bulb is a common example of a non-ohmic conductor. Other examples of non-ohmic conductors are diodes and transistors. In a light bulb, the resistance of the filament wire will increase dramatically as it warms from room temperature to operating temperature.

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Answer 2

Applications of non-Ohmic conductors in everyday life are:

1. Incandescent light bulb

• An incandescent bulb filament has low resistance.
• When it is connected to power, there is a rapid inflow of current.
• This heats up the filament to extremely high temperatures.
• As a result, the bulb glows.
• After some time, the resistance will increase and the current flow will be back to normal.

2. Thermistor

• It is a heat-sensitive device used for measurement.
• They are made of semiconductor material.
• Their resistance varies quickly with temperature.

3. Semiconductor diode

• A diode ensures the flow of current in one direction and therefore it is used in many everyday devices.
• It has no resistance in the forward direction.
• But has infinite resistance in the reverse direction.

4. Semiconductor devices

• Semiconductor devices are mostly made of silicon and germanium.
• In devices made of these materials, the resistance varies with varying voltages.
• This property protects devices from overheating.