CLASS - X Science: Magnetic Effects of Currents
1. When a bar magnet is broken into two pieces:
(A) we will have a single pole on each piece (B) each piece will have two unlike poles
(C) each piece will have two like poles (D) None of these
2. The magnetic field intensity produced due to a current carrying coil is maximum at :
(A) any point (B) the centre of the coil
(C) any point lying on the axis of the coil (D) points lying between centre of the coil and its circumference
3. The direction of magnetic lines of force produced by passing a direct current in a conductor is :
(A) Perpendicular to the conductor & coming outwards
(B) parallel to conductor
(C) Surrounding the conductor and of circular nature
(D) perpendicular to the conductor & coming inwards
4. Which of the following statement is not correct about two parallel conductors carrying equal currents in the same direction ?
(A) Each of the conductors will experience a force.
(B) The two conductors will repel each other.
(C) There are concentric lines of force around each conductor.
(D) Each of the conductors will move if not prevented from doing so.
5. Which of the following determine the direction of magnetic field due to a current carrying conductor ?
(A) Faraday’s laws of electromagnetic induction. (B) Fleming’s left-hand rule.
(C) Lenz’s law. (D) Maxwell’s cork screw rule.
6. A cylindrical bar magnet is kept along the axis of a circular coil. If the magnet is rotated about its axis, then :
(A) a current will be induced in the coil (B) no current will be induced in the coil.
(C) only emf will be induced in the coil (D) am emf and current both will be induced in the coil
X Magnetic Effects of Currents MCQ'S - I (10Q)
X Magnetic Effects of Currents MCQ'S - 2 (10Q)
X Magnetic Effects of Currents Notes Visit.......
X Magnetic Effects of Currents CBSE Test Paper - 1
X Magnetic Effects of Currents CBSE Test Paper - 2