Magnetic Effects of Electric Current-Important Questions

1.  The MCB of a Rupa’s room is tripped and keeps on tripping again and again. If it is a domestic circuit, what could be the reason of this phenomenon?

2.  State any three appliances that function on Fleming’s left hand rule.

3.  What is the need to convert Dynamo into alternating current?

4.  Find the applications of solenoid.

5.  Difference between short circuiting and overloading.

6.  Show an activity to demonstrate the direction of the magnetic field generated around a current carrying conductor.

7.  What is a fuse? What material is used for make fuse wire?

8.  State the properties of magnetic lines of force.

9.  Name two safety measures commonly used in electric circuits and appliances.

10.  What is the direction of magnetic field in bar magnet?