Answer all the mcq questions

[Total = 25 Marks] Part I: Place the letter of the correct answer in the space provided at the end, Remember that many constant values must be found on your formula sheet. [10 Marks] 1. Which is the strongest magnet? (A) (B) (C) ( D ) 2. What is the polarity of X and Y for the magnets shown below? X (A) North North ( B ) North South X A AAAA Y ( C ) South North South South 3. Which represents the magnetic field produced around the straight current-carrying conductor below? ( A ) (B) X X X (C) (D) . What is the magnetic force on a 2.1 m long wire, carrying 0.56 A of current, placed perpendicularly in a 4.6 x 10-4 T magnetic field? (A) 1.2 x 10-4 N (B) 5.4 x 104 N (C) 2.0 x 10-3 N (D) 8.2 x 103 N 5. What are the charges on the three charged particles fired into the magnetic field as shown below? Particle P Particle Q Particle R (A) negative negative positive P XXXX (B) negative neutral positive positive neutra negative Q X X X X (C) (D) XXXX B positive positive negative R X XXX 6. A current-carrying conductor is placed perpendicular to a magnetic field and experiences a force of magnitude, F1. What will be the new force if the wire is placed at an angle of 30.0 to the magnetic field? (A) 0.50 F1 (B) 0.86 F1 C) 10 F1 (D) 2.OF