2. Which of the follwing converts mechanical energy into electrical energy       [ ]
a) motor      b) battery      c)generatior       d)swith

3. The magnetic force on a current carrying wire placed in uniform magnetic field if the wire is oriented perpendicular to magnetic field is       [ ]
a) 0       b) ILB      c) 2ILB       d)ILB/2

4.One Tesla =       [ ]
a)Newton/Coloumb      b) Newton / ampere - meter      c) Ampere / meter      d) Newton / ampere second

5. Magnetic flux       [ ]
a) dyne      b) Oersterd       c) Guass      d) Weber

6. No force works on the conductor carrying electric current when kept       [ ]
a) parallel to magnetic field      b) perpendicular to magnetic field      c) in the magnetic field       d) away from magnetic field

1. Explain with the help of two activities that current carrying wire produces magnetic field. (AS3 )


2. How do you verify experimentally that the current carrying conductor experiences a force when it is kept in magnetic field? (AS3 )


3. Explain Faraday’s law of induction with the help of activity. (AS3 )


4. What experiment do you suggest to understand Faraday’s law? What instruments are required? What suggestions do you give to get good results of the experiment? Give precautions also. (AS3 )


5. How can you verify that a current carrying wire produces a magnetic field with the help of an experiment? (AS3 )

1. Collect information about generation of current by using Faraday’s law. (AS4 )


2. Collect information about material required and procedure of making a simple electric motor from internet and make a simple motor on your own. (AS4)


3. Collect information of experiments done by Faraday. (AS4)