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Physics Grade 10 Unit 5: Magnetism
national exam questions have come from this unit. It runs 26 pages; one careful study pass takes about 2.5 hours, and its difficulty is easier among Physics units. Each section below lists the questions set from it, with the year, and opens the page that teaches it.
5.1 Magnet · read p. 152
- 2017 E.C., Q27 – Which of the following statements is correct about magnets?
5.2 Magnetic Field · read p. 155
- 2018 E.C., Q44 – Which one of the following statements is correct about the property of magnetic field lines?
- 2015 E.C., Q37 – An electron moving with a speed of 2.2×10⁷m/s east enters the region of a magnetic field strength of 5×10⁻⁴ T directed north. What is the magnetic force experienced by the electron?
- 2015 E.C., Q2 – Which one of the following statements does NOT describe magnetic nature of a material?
5.3 The Earth’s magnetic field and the compass · read p. 159
- 2017 E.C., Q7 – The magnetic field created by a long straight current carrying wire
- 2016 E.C., Q9 – A long straight wire passing through the origin perpendicular to the xy plane carries a current I. A compass needle is moved around in the xy plane. When it is placed at the point (0, +y), it deflects towards the negativ
- 2013 E.C., Q5 – A long conductor shown in the figure carries a current I in the direction indicated by the arrow. Which statement is NOT correct about the magnetic field produced by this current carrying conductor?
- 2006 E.C., Q42 – A wire carries a steady current of 2.4A. A straight section of the wire is 0.75m long and lies in xy-plane along the x-axis within a uniform magnetic field, B=1.6kT. If the current is in the positive x direction, what is
- 2006 E.C., Q9 – No numeric labels appear on the figure; the current symbol I is named only in the stem.]
5.4 Magnetic field of a current-carrying conductor · read p. 159
Not asked in a national paper yet.
5.5 Magnetic force on a moving charge placed in a uniform magnetic field · read p. 165
Not asked in a national paper yet.
5.6 Magnetic force on a current-carrying wire · read p. 167
- 2007 E.C., Q36 – If a wire carrying current in the plane of this paper toward the top of the page experiences a magnetic force toward the right edge of the page, what will be the direction of the magnetic field causing this force?
5.7 Magnetic force between two parallel current-carrying wires · read p. 170
Not asked in a national paper yet.
5.8 Applications of magnetism · read p. 171
- 2011 E.C., Q39 – Two long wires of $10\,\text{m}$ in length carries a current of $2.0\,\text{A}$ and $0.5\text{A}$ in the same direction. The wires are separated by $4.0\,\text{cm}$. What is the magnetic force that the wires exerted on e
- 2010 E.C., Q41 – Two parallel wires each carrying $5\,\text{A}$ current in the same direction are separated by $2.5\text{cm}$. what is the magnitude of the force per unit length acting on the wires? Is the force attractive or repulsive?
- 2008 E.C., Q36 – Two long wires of the same length and cross sectional area carry the same amount of current. Which one of the following statements is correct about the magnetic field and the magnetic forces on the wires?