Practice question
MCQ
Question
A series LCR circuit has \( R = 25 \, \Omega \), \( X_L = 45 \, \Omega \), \( X_C = 20 \, \Omega \).
What is the power factor?
Options
Choose one · Correct answer highlightedExplanation
Related blogs
Guides and insights connected to this topic
Magnetic Effects of Electric Current Notes - Field Lines, Solenoid, Motor, Generator and Domestic Circuits
Explore how electric current creates magnetic fields, covering field lines, solenoids, motors, generators and domestic circuits.
Electricity Notes - Electric Current, Potential, Ohm's Law, Resistance, Heating Effect and Power
Learn the basics of electric current, circuits, potential, Ohm's law, resistance, heating effect and power in clear, concise notes.
Metals and Non-metals Notes - Physical Chemical Properties, Ionic Compounds, Reactivity Series and Corrosion
Explore the key physical and chemical traits of metals and non‑metals, including lustre, hardness, malleability, ductility, conductivity and corrosion.
Install Examtube
Add our app to your home screen for a better experience.
Please allow advertisements on this page
This page is supported by advertisements. An ad blocker is stopping those ads from loading, so we cannot show the rest of the page yet. Pause the blocker for this site, then continue. We will check again automatically.
- Open your browser’s ad-blocker extension.
- Pause it or allow ads for this website.
- Return here — this message will close when ads can load.
You can keep using this site after advertisements are allowed to load.
Discussion
Comments
Please log in to join the discussion.
Login to commentNo comments yet. Be the first to start the discussion.