Embibe Experts Solutions for Exercise 1: ICSE-2018
Embibe Experts Science Solutions for Exercise - Embibe Experts Solutions for Exercise 1: ICSE-2018
Attempt the practice questions from Exercise 1: ICSE-2018 with hints and solutions to strengthen your understanding. EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE solutions are prepared by Experienced Embibe Experts.
Questions from Embibe Experts Solutions for Exercise 1: ICSE-2018 with Hints & Solutions
What are superconductors?
State any two advantages of electromagnets over permanent magnets.
How is the emf across primary and secondary coils of a transformer related with the number of turns of coil in them?
On which type of current do transformers work?
The diagram below shows a magnetic needle kept just below the conductor AB which is kept in the North-South direction.
i) In which direction will the needle deflect when the key is closed?
ii) Why is the deflection produced?
iii) What will be the change in the deflection if the magnetic needle is taken just above the conductor AB?
iv) Name one device which works on this principle.
When a current carrying conductor is placed in a magnetic field, it experiences a mechanical force. What should be the angle between the magnetic field and the length of the conductor so that the force experienced is:
(i) Zero
(ii) Maximum
Draw a neat labelled diagram of a d.c. motor.
Write any one use of a d.c. motor.
