Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
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
-
Total Questions10
-
Available Sets4
Physics - ICS Part 2 Physics Chapter 15 Short Questions Preparation
Question # 1
A glass rod of "L"Length is moving perpendicular to the applied magnetic field P with velociety v.Explain briefly about the induced emf in it.
- Ans 1: Induced emf is zero.As glass rod is insulator and there are no free electrons to be shifted from one extreme to the other.Therefore there will be no effect of perpendicular magnetic field.The induced emf is only produced by moving a conductor across the magnetic field.
ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 1
Question # 1
A glass rod of "L"Length is moving perpendicular to the applied magnetic field P with velociety v.Explain briefly about the induced emf in it.
- Ans 1: Induced emf is zero.As glass rod is insulator and there are no free electrons to be shifted from one extreme to the other.Therefore there will be no effect of perpendicular magnetic field.The induced emf is only produced by moving a conductor across the magnetic field.
ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 2
Question # 1
What is the working principle of transformer?Explain
- Ans 1: The transformer work on the principle of mutual induction between two coils.The transformer consists of two coils of copper electrically insulated from each other,wound on the same iron core,The coil to which AC power is supplied is called primary and that from which power is delivered to the circuit is called secondary.
ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 3
Question # 1
Define self induction and mutual induction.
-
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
What is meant by back emf?Write its SI units.
- Ans 1: The emf induced across the ends of a coil due to the changing current in the same coil is called self induced emf or back emf.Its SI unit is Volt(V).
