CBSE Class 10 Science Chapter 13 Magnetic Effects of Electric Current Multiple Choice Questions with Answers. MCQ Class 10 Science Magnetic Effects of Electric Current with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Magnetic Effects of Electric Current MCQs with Answers to know their preparation level.
MCQ Class 10 Science Magnetic Effects of Electric Current with Answers - Set - 1
Question 1:
The strength of magnetic field inside a long current-carrying straight solenoid is :
a) More at the ends then at the center
b) Minimum in the middle
c) Same at all points
d) Found to increase from one end to the another
Correct Answer – (C)
Question 2 :
The magnetic field inside a long straight solenoid carrying current :
a) Is zero
b) Decrease as we move towards its end
c) Is same at all points
d) Increase as we move towards its end
Correct Answer – (C)
Question 3 :
The front face of a circular loop of a wire is North-pole, the direction of current in this face of the loop will be :
a) Clockwise
b) Anticlockwise
c) Towards North
d) Towards South
Correct Answer – (B)
Question 4 :
A plotting compass is placed near the south pole of a bar magnet. The pointer of plotting compass will:
(a) point away from the south pole
(b) point parallel to the south pole
(c) point towards the south pole
(d) point at right angles to the south pole
Correct Answer – (C)
Question 5 :
Which of the following is not attracted by a magnet?
(a) steel
(b) cobalt
(c) brass
(d) nickel
Correct Answer – (C)
MCQ Class 10 Science Magnetic Effects of Electric Current with Answers
Question 6 :
A strong bar magnet is placed vertically above a horizontal wooden board. The magnetic lines of force will be:
(a) only in horizontal plane around the magnet
(b) only in vertical plane around the magnet
(c) in horizontal as well as in vertical planes around the magnet
(d) in all the planes around the magnet
Correct Answer – (D)
Question 7 :
Which of the following statements is incorrect regarding magnetic field lines?
(a) The direction of the magnetic field at a point is taken to be the direction in which the north pole of a magnetic compass needle points.
(b) Magnetic field lines are closed curves.
(c) If magnetic field lines are parallel and equidistant, they represent zero field strength.
(d) Relative strength of magnetic field is shown by the degree of closeness of the field lines.
Correct Answer – (C)
Question 8 :
Two magnetic field lines :
a) Intersect at neutral point
b) Never intersect each other
c) Intersect near north-pole or south pole
d) Intersect at the mid point of the magnet
Correct Answer – (B)
Question 9 :
When a straight conductor is carrying current :
a) There are circular magnetic field lines around it
b) There are magnetic field lines parallel to the conductor
c) There are no magnetic field lines
d) None of the above
Correct Answer – (A)
Question 10 :
The most suitable material for making the core of an electromagnet is :
a) Steel
b) Iron
c) Soft iron
d) Aluminium
Correct Answer – (C)
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