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

Determine total impedance in a series RC circuit with multiple resistors and capacitors.

Understand the relationship between voltage and current in capacitive circuits.

Calculate specific voltages and reactive power in series RC circuits.

Understand the significance of power factor and its calculation.

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