A Rigid Rectangular Loop,which Measures 0

question 7

Multiple Choice

A rigid rectangular loop,which measures 0.30 m by 0.40 m,carries a current of 5.5 A,as shown.A uniform external magnetic field of magnitude 2.9 T in the negative x-direction is present.Segment CD is in the x-z plane and forms a 35° angle with the z-axis,as shown.An external torque applied to the loop keeps it in static equilibrium.The magnitude of the external torque is closest to:

• A)1.1 N ∙ m
• B)0.73 N ∙ m
• C)1.3 N ∙ m
• D)1.4 N ∙ m
• E)1.6 N ∙ m

---

Definitions:

Fluctuated

Varied or changed over time within a range or scale, often in an unpredictable manner.

Liberal Democracy

A form of government where free and fair elections occur and there is protection of individual rights and freedoms.

Formal Democracy

Involves regular, competitive elections.

Elected Democracy

A form of democracy in which representatives are chosen through the electoral process by the populace to act on their behalf in governing and making policy decisions.