NEETPhysicsElectromagnetic Induction
What is the induced emf in the small loop of area 2.0 cm² placed inside a long solenoid with 15 turns per cm, normal to its axis, when the current carried by the solenoid changes steadily from 2.0 A to 4.0 A in 0.1 s?
Options
- A3.75 × 10 –6 V
- B7.5 × 10 –6 V
- C1.5 × 10 –5 V
- D3.0 × 10 –5 V
Correct answer
B. 7.5 × 10 –6 V
Step-by-step solution
Correct Option is : (B) 7.5 × 10 –6 V