Cc2404 Assignment 3a Correction

Name: ______________________________Student no: _____________ Group:_______________ CC2404 Applied Physics and Instrumentation in Health Care Assignment 3a (2009) (Duration: 30 min, choose one answer for each question, total 17 marks) 1. Which of the following statements concerning magnetism is NOT true? a. The N-pole of the magnetic compass is closely aligned with the geographic north pole of the Earth. b. The magnetic field is stronger at the poles of a magnetic bar. c. Like magnetic poles attract. d. The strength of an electromagnet can be enhanced by increasing the number of turns in the coil ote: the sentence in 1.a was “…geographic south pole…”, it should be changed as indicated as above. The correct ans. should be “c”, however those who have chosen “a” will also be counted correct. This corerctions applies only to L103, 102a classes.