Question

please explain what does 'dt' denotes???

Question from Electromagnetic Induction​

Answer 1

'dt' simply means change in time....

Here... electromagnetic induction = (change in flux/ change in time )* number of turns.

Answer 2

Answer:

delta time tend to zero

Change in time is very closer to 0. like 0.00000001, -0.999999 , 0.01 etc .close maean can tend to zero from either left or right side