Course Content

Course Content


Induction circuits can be powerful, but they require a lot of power to run – especially at the input end. Even with a high-quality supply, the supply voltage may not be sufficient for an inductive circuit to work. We all need to know what our power supply voltage should be so we can feed it into the circuit and keep it stable. Since the instantaneous voltage and current are zero whenever the instantaneous voltage or current (p=ie) is zero, it follows that the instantaneous power is zero when either power is zero.

In a purely inductive circuit, the current lags the voltage by an angle of 90 degrees. The energy consumed in a purely inductive circuit is proportional to the square of the voltage. Hence, it is used as a way to power portable devices such as mobile phones and other digital appliances.

In a typical inductive circuit, the current flow can be controlled by a mechanical switch, for example using electromagnets or rotary switches. In a purely inductive circuit, Power consumed = Q = VIsin φ Inductive circuit having both R & L Power is consumed by resistor R P = VI cos φ.

Recommended Courses

Share With Friend

Have a friend to whom you would want to share this course?

Download LearnVern App

App Preview Image
App QR Code Image
Code Scan or Download the app
Google Play Store
App Store
397K+ Downloads
App Download Section Circle 1
4.57 Avg. Ratings
App Download Section Circle 2
13K+ Reviews
App Download Section Circle 3
  • Learn anywhere on the go
  • Get regular updates about your enrolled or new courses
  • Share content with your friends
  • Evaluate your progress through practice tests
  • No internet connection needed
  • Enroll for the webinar and join at the time of the webinar from anywhere