A Circular Coil of 20 Turns and Radius 5 $0.10 \mathrm {~T} \text {. }$

question 176

Multiple Choice

A circular coil of 20 turns and radius 5.0 cm is placed with its plane oriented at 90° to a uniform magnetic field of $0.10 \mathrm {~T} \text {. }$ The field is now increased at a steady rate, reaching a value of $0.50 \mathrm {~T}$ after 4.0 seconds. What emf is induced in the coil?

• A)0.016 V
• B)0.021 V
• C)0.026 V
• D)0.031 V
• E)0.036 V

---

Definitions:

Oedipus

A concept in psychoanalytic theory referring to a child's unconscious sexual desire for the opposite-sex parent and jealousy toward the same-sex parent.

Electra Complexes

A psychoanalytic concept referring to a girl’s psychosexual competition with her mother for possession of her father.

Emotional Support

Assistance provided by an individual, offering care, empathy, and understanding to help another person cope with emotional distress.

Economic Support

Financial or material aid given to individuals or groups to assist them in sustaining a certain level of living.