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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
Differentiate between motor and generator.
- Ans 1: Motor: A motor is a device which converts electrical energy into mechanical energy.
- Ans 2: Generator: A generator is a device which convert mechanical energy into electrical energy.
ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 1
Question # 1
Differentiate between motor and generator.
- Ans 1: Motor: A motor is a device which converts electrical energy into mechanical energy.
- Ans 2: Generator: A generator is a device which convert mechanical energy into electrical energy.
ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 2
Question # 1
What is DC motor?Write its principle.
- Ans 1: AD.c motor is a device which converts D.C electrical energy into mechanical energy.The basic principle of electric motor is that a current carrying coil placed in magnetic field experiences a torque which is given by t=NIAB cos theta.
ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 3
Question # 1
Define self induction and mutual induction.
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Ans 1: The phenomena in which changing current in a coil induced a emf in itself is called self-induction.The phenomena in which changing current in one coil induces an emf in another coil is called mutual induction.
ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 4
Question # 1
In a transformer there is no transfer of charge from the primary to the secondary.How is then the power transferred?
- Ans 1: The power will be transferred because the two coils of transformer are magnetically linked i.e, the change of flux through one coil is linked with the other coil.
