The Coil Shown in the Figure Has 2 Turns, a Cross-Sectional

question 42

Multiple Choice

The coil shown in the figure has 2 turns, a cross-sectional area of 0.20 m², and a field (parallel to the axis of the coil) with a magnitude given by B = (4.0 + 3.0t²) T, where t is in s. What is the potential difference, V_A − V_C, at t = 3.0 s?

• A) −7.2 V
• B) +7.2 V
• C) −4.8 V
• D) +4.8 V
• E) −12 V