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12th Class Physics
Short Questions Preparation
Start Chapter 13 Preparation
12th Class Physics Chapter Wise Preparation
Online Short Questions For Chapter 2 "ICS Part 2 Physics Chapter 13 Short Questions Preparation "
Try The Short Questions For ICS Part 2 Physics Chapter 13 Short Questions Preparation
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Total Questions10
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Available Sets3
Physics - ICS Part 2 Physics Chapter 13 Short Questions Preparation
Question # 1
What is the negative coefficient of temperature?
- Ans 1: If the resistance of a substance decrease with an increase in temperature ,then it is termed as negative coefficient of temperature,For example ,silicon and germanium have negative coefficient of temperature.
ICS Part 2 Physics Chapter 13 Short Questions Preparation - Set 1
Question # 1
What is the negative coefficient of temperature?
- Ans 1: If the resistance of a substance decrease with an increase in temperature ,then it is termed as negative coefficient of temperature,For example ,silicon and germanium have negative coefficient of temperature.
ICS Part 2 Physics Chapter 13 Short Questions Preparation - Set 2
Question # 1
What is thermistor? Gives its two applications.
- Ans 1: Thermistors are heat sensitive resistors.Thermistors with positive temperature coefficient of resistance as well as negative temperature coefficient of resistance are available.They are used for accurate measuring of temperature up to 10K.They are used as temperature sensors.
ICS Part 2 Physics Chapter 13 Short Questions Preparation - Set 3
Question # 1
Differentiate between resistance and resistivity.Give their unit.
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Ans 1: Resistance: The opposition against the flow of current is known as resistance,The SI unit of resistance is Ohm.R=V/I
- Ans 2: Resistivity:The resistance of a meter cube of a material is called resistivity.Its unit is known as ohm-meter.
