9th Class Physics Chapter Wise Online MCQ Test With Answers PDF English Medium

9th Class Physics English Medium Online Test For Full Book

Sr. #	Questions	Answers Choice
1	material which is the best one for making a permanent magnet.	Nickel Steel Soft iron Cobalt
2	The cause of the Earth's magnetic field is.	Rotational motion of Earth Motion of ions in the core Spinnig of Earth Pull of the sun
3	Earth's magnetic field intensity is.	Constant every warre Very low at poles Varies place to place Very high at equator
4	Which one is the quicket method to magnetize a material	Strike with hammer Putting inside a current carrying coil Moving into magnetic field Stroking the opposite pole
5	If a bar magnet is cut in half it will become	A monopole Magnetized Magnet of less strength The same magnet
6	The best materials to protect a device from external magnetic field is	Sot iron Steel wood Plastic
7	A common method used to meagnetics a materials is.	Hitting Heating Stroking Placing inside a solenoid having AC current
8	Permanent magnets are used in	Circuit breaker Loudsppeaker Electric crane Magnetic recording
9	Permanent magnet cannot be made by	Steel Alnico Soft iron Neodymum
10	Megnetic lines of force	Enter into the north pole Cross one another Are alwyas directed in a straight line Enter into the south pole
11	Which one of the following is not a magnetic material	Iron Nickel Aluminium Cobalt
12	Which thermometer uses voltage to measrue temperature of a hot body.	Thermocouple Resistance thermometer Liquid in glass thermometer Gas thermometer