Matric Part 2 Physics chapter 15 online mcq test with answers for 10th class chemistry unit 15 (Electromagnetism)

Physics 10th Class English Medium Unit 6 Online Test

Sr. #	Questions	Answers Choice
1	According to Fleming's left hand rule the direction of force on the conductor is given by:	Thumb Fore finger Middle finger None of these
2	According to Fleming's left hand rule the direction of magnetic field is indicated by:	Thumb Forefinger Middle finger Right hand rule
3	A current carrying conductor produces a field around it is called:	Electric field Magnetic field Both a and b None of these
4	The magnetic field of a solenoid resembles as:	Iron wire U-shape magnet Bar magnet Point charge.
5	The end of solenoid from which lines of force emerge out is called:	North pole South pole North and south pole None of these
6	The lines will be in the form of concentric circles, if conductor is:	Circular Straight Solenoid None of these
7	If current is flowing from bottom end to the top end in a wire, according to right hand rule the direction of line of forces would be:	Anti-clock wise Clock wise Left and Right Along the conductor.
8	The number of lines of force in a magnetic field depends upon.	Shape of coil Sixe of coil Magnet Strength of field
9	Transformer Works on the principle of:	Self induction Mutual induction Electro statatic Induction
10	Iron core is used in tranformer to:	Enhance the flux Decrease the flux Keep flux the same botha a and b
11	A transformer has Np =100 and Ns =500 , if 6 volt D.C is applied across its primary, the induced voltage.	0 V 30 V 45 V 60 V
12	The turn ratios of a transformer is 10. It means.	I<sub>s</sub> = 10I<sub>p</sub> N<sub>s</sub> = N<sub>p</sub> N<sub>s</sub> = 10 N<sub>p</sub> V<sub>s</sub> =V<sub>p</sub> /10

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