Ch 17 hw 4

# Ch 17 hw 4 - 1[MI02 17.E.18 2/2 points | 2/4 submissions...

This preview shows pages 1–2. Sign up to view the full content.

1. [MI02 17.E.18.] 2/2 points | 2/4 submissions Last Response | Show Details All Responses Notes What is the magnetic dipole moment of a 2000 turn rectangular coil that measures 3 cm by 3 cm and carries a current of 3 amperes? 5.4 5.4 A · m 2 2. [MI02 17.P.08.alt01.] 4/4 points | 2/4 submissions Last Response | Show Details All Responses Notes Wire with a loop in it A very long wire carrying a conventional current of 4.6 amperes is straight except for a circular loop of radius 7.8 cm (Figure 17.68). Calculate the approximate magnitude and the direction of the magnetic field at the center of the loop. | | = 4.884955e-5 4.88e-05 T j j Figure 17.68 3. [MI02 17.P.06.alt01.] 3/3 points | 1/4 submissions Last Response | Show Details All Responses Notes Deflecting a compass needle When you bring a current-carrying wire down onto the top of a compass, aligned with the original direction of the needle and 7 mm above the needle, the needle deflects by = 18 degrees (Figure 17.67). Figure 17.67

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 03/31/2008 for the course PY 208M taught by Professor Chabay during the Spring '08 term at N.C. State.

### Page1 / 2

Ch 17 hw 4 - 1[MI02 17.E.18 2/2 points | 2/4 submissions...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online