As Shown in the Figure, a Wire and a 10-Ω

question 115

Multiple Choice

As shown in the figure, a wire and a 10-Ω resistor are used to form a circuit in the shape of a square with dimensions 20 cm by 20 cm. A uniform but non-steady magnetic field is directed into the plane of the circuit. The magnitude of the magnetic field is steadily decreased from 2.70 T to 0.90 T in a time interval of 96 ms. What is the induced current in the circuit, and what is its direction through the resistor?

• A) 75 mA, from b to a
• B) 45 mA, from b to a
• C) 75 mA, from a to b
• D) 45 mA, from a to b
• E) 110 mA, from a to b

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Definitions:

Old Testament Kings

Rulers and monarchs mentioned in the first part of the Bible, known for their leadership and, sometimes, their challenges in following divine commands.

Passion

A strong and barely controllable emotion or an intense desire or enthusiasm for something.

Mary

A central figure in Christianity, known as the mother of Jesus Christ, revered for her purity and devotion.

Virgin and Child

A common subject in Christian art depicting Mary, the mother of Jesus, holding the infant Jesus, symbolizing maternal love and the importance of the Christ child.