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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
How can rheostat be used as potential divider?
- Ans 1: By adjusting the sliding contact resistance of the rheostat can be altered which in turn would regulate the potential offered by the cell E to the main circuit,And thus a rheostat can be used as potential divider.
ICS Part 2 Physics Chapter 13 Short Questions Preparation - Set 1
Question # 1
How can rheostat be used as potential divider?
- Ans 1: By adjusting the sliding contact resistance of the rheostat can be altered which in turn would regulate the potential offered by the cell E to the main circuit,And thus a rheostat can be used as potential divider.
ICS Part 2 Physics Chapter 13 Short Questions Preparation - Set 2
Question # 1
What are non ohmic devices?Give two examples.
- Ans 1: Those devices which don't obey the Ohm's law are called non-ohmic devices.Their current-voltage graphic is not a straight line.For example ,filament bulb and semiconductor diodes.
ICS Part 2 Physics Chapter 13 Short Questions Preparation - Set 3
Question # 1
Give two substance having negative temperature coefficient.Also define the temperature coefficient.
- Ans 1: The temperature coefficient of a resistance is defined as fractional change in resistance per kelvin rise in temperature.Its unit is K-1.Substance like Ge and Si have negative temperature coefficient.
