Question Text
Question 1 :
A magnetic compass shows a deflection when placed near a current carrying wire. How will the deflection of the compass get affected if the current in the wire is increased ?
Question 2 :
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is withdrawn from inside the coil?
Question 3 :
For a current in a long straight solenoid N- and S-poles are created at the two ends. Among the following statements, the incorrect statement is
Question 6 :
Why does a compass needle get deflected when brought near a bar magnet?
Question 7 :
Choose the incorrect statement from the following regarding magnetic lines of field
Question 8 :
Which of the following correctly describes the magnetic field near a long straight wire?
Question 9 :
A positively charged particle projected towards West is deflected towards North by a Magnetic Field. The direction of Magnetic Field is
Question 10 :
State TRUE or FALSE. An electric motor converts mechanical energy into electrical energy.
Question 12 :
State TRUE or FALSE. Electric motors are used in electric fans, refrigerators, mixers, etc.
Question 13 :
A rectangular coil of copper wire is rotated in a magnetic field. The direction of induced current changes once in each
Question 14 :
Which of the following properties of a proton can change while it moves freely in a magnetic field?