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12th Class Physics
Short Questions Preparation
Start Chapter 15 Preparation
12th Class Physics Chapter Wise Preparation
Online Short Questions For Chapter 4 "ICS Part 2 Physics Chapter 15 Short Questions Preparation "
Try The Short Questions For ICS Part 2 Physics Chapter 15 Short Questions Preparation
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Total Questions10
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Available Sets4
Physics - ICS Part 2 Physics Chapter 15 Short Questions Preparation
Question # 1
What is electromagnet?Mention two practical example of electromagnet.
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Ans 1: When a specimen of iron is placed inside a current carrying solenoid,it becomes and electromagnet.Examples are
- Transformers
- Motors
ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 1
Question # 1
What is electromagnet?Mention two practical example of electromagnet.
-
Ans 1: When a specimen of iron is placed inside a current carrying solenoid,it becomes and electromagnet.Examples are
- Transformers
- Motors
ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 2
Question # 1
Define mutual inductance and write at least two factors at which it depends.
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Ans 1: The ratio of average emf induced in the secondary to the time rate of changing current in the primary is called mutual inductance.It depends upon numbers of turn of the coil,area of cross section of the coil closeness of coil and nature of the core materials.
ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 3
Question # 1
Define the SI unit of mutual inductance.
- Ans 1: If current is changing at the rate of one ampere per second and the emf induced across the ends of the coil is one volt then inductance is called one Henry.Its SI units are VsA-1.
ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 4
Question # 1
Define mutual induction.
- Ans 1: The phenomena in which the changing current in one coil induces an emd in another coil is called the mutual induction.
