Online Test of Chapter 13 Magnetic Effects of Electric Current MCQ Class 10th Science

Questions :-

1. Which of the following is not true about Magnetic field Lines?
(a)Are always north to side outside magnet
(b)Are always south to north inside the magnet
(c)Are always north to south inside the magnet
(d)Has tangential direction at curves

2.Which of the following is strongest magnet?
(a)Ferrite
(b)Alnico
(c)Iron
(d)Electromagnet used in crane

3. The direction of magnetic field by a current carrying conductor is given as
(a)Fleming Left Hand rule
(b)Maxwell’s Thumb rule
(c)Flemings right hand
(d)Both (a) and (b)

4.The strength and direction of magnetic field due to a current carrying conductor depends upon
(a)Magnitude of current in conductor
(b)Distance from conductor
(c)Direction of flow of current
(d)All the above

5.A solenoids magnetic field will not increase
(a)The magnitude of current will increase
(b)A soft iron core is inserted inside the solenoid
(c)A soft aluminium core is inserted inside the solenoid
(d)The conductor is kept closed.

6.The direction of magnetic field at point A due to arm XY is given by
(a)Inside the paper
(b)Outside the paper
(c)Towards X
(d)Towards Y

7.The direction of magnetic field at point B is given by
(a)X-Y
(b)Y-X
(c)Inside the paper
(d)Outside the paper

8.The direction of current carrying conductor will be if the magnetic field due to the current at point X is inside the paper is
(a)Upward direction
(b)Inside paper
(c)Downward direction
(d)Outside the paper

9. The force acting on a current carrying conductor in a magnetic field is best observed by?
(a)Maxwell’s thumb rule
(b)Fleming right hand rule
(c)Fleming left hand rule
(d)None of these

10.The magnetic force experienced by a current carrying conductor will be best when
(a)The direction of magnetic field is in the direction of current flow
(b)The direction of magnetic field is perpendicular to the direction of current flow
(c)The direction of current is opposite to the direction of flow of current
(d)The direction of flow of current is at a particular angle to magnetic field at somewhere between 45 degree to 90 degree.