Q.The rate of rise of current through an inductive coil is maximum

  • AAt 63.2% of its maximum steady value
  • BAt the start of the current flow
  • CAfter one time constant
  • DNear the final maximum value of current
Correct Answer : (B)

At the start of the current flow

Hints :

The rate of rise of current through an inductive coil is maximum At the start of the current flow.

Previous

An air gap is usually inserted in magnetic circuits to

Next

The relative permeability of a ferromagnetic material is

Join The Discussion