Answer to Question #104727 in Electricity and Magnetism for Akshay Kumar

Question

What rate of change of current in a solenoid having self-inductance 19.4 mH produces a self-induced emf of 100 mV in it?

Answer 1

electromagnetic law

$$\frac{di}{dt}=\frac{\epsilon}{L}$$

$\frac{di}{dt}=\frac{100}{19.4}=5 (aps)$