10th Class Physics Chapter Wise Online MCQ Test With Answers PDF English Medium

Physics 10th Class English Medium Online Test

Sr. #	Questions	Answers Choice
1	In 1950, physicists observed that in cathode ray tube a special type of rays produced from cathode, these rays were called:	Cathode rays X-rays Alpha rays Gamma rays
2	Transformer works on _______ supply.	A.C D.C Battery Both A and B
3	A transformer has 100 turns in its primary and 500 turns in secondary coil. If 6 volts D.C is applied across its primary, the voltage induced across its secondary coil will be:	0 volt 30 volts 45 volts 60 volts
4	The coil of a transformer which is connected to A.C is called:	Primary coil Secondary coil Field coil Armature coil
5	Which device is used to increases / decreases A.C Voltage?	Electric motor Transformer A.C Generator Solenoid
6	Changing magnetic field in a closed circuit can induce:	e.m.f Electric current Force Both A and B
7	The true ratio of a transformer is 10. It means:	Vs = 10Vp Ns = Np/10 Ns = 10NP VS= Vp/10
8	In electric motor, the brushes are made of:	Lead Graphite Iron Wood
9	Electric motor converts electrical energy into:	Chemical energy Solar energy Heat energy Mechanical energy
10	Number of poles in a magnet is:	One Two Three Unlimited
11	A.C generator works on the principle of:	Electrostatic induction Electromagnetic induction Law of gravitation Third law of motion
12	When an electric current passes through a conductor, which field is produced around it?	Electric field Magnetic field Gravitational field Electrostatic field