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Privacy Policy

 Privacy Policy

At 'Electronics FAQ', accessible from https://electronicfaq.blogspot.com/, the privacy of our visitors is extremely important to us. This Privacy Policy explains what information we collect, how we use it, and the choices available to you.


Information We Collect

Log Data
Like most websites, we collect log data such as IP addresses, browser type, referring/exit pages, and date/time stamps.

Cookies
We use cookies to store visitor preferences and to optimise user experience.

Google AdSense
We use Google AdSense to serve ads. Google, as a third-party vendor, uses cookies (including the DART cookie) to display ads based on your interests.


How We Use Information

  • To improve the content and functionality of our blog.

  • To understand visitor behaviour and enhance user experience.

  • To serve personalised ads via Google and other ad networks.


Third-Party Privacy Policies

Third-party ad servers or ad networks use technologies such as cookies, JavaScript, or web beacons in the advertisements and links that appear on 'Electronics FAQ'. These are sent directly to your browser and may be used to measure the effectiveness of their advertising campaigns or to personalise content.

👉 Note: 'Electronics FAQ' has no access to or control over these third-party cookies.


Your Choices

  • You can disable cookies through your browser settings.

  • To opt out of Google’s personalised advertising, visit Google Ads Settings.


Children’s Privacy

We do not knowingly collect personal information from children under 13 years of age. If you believe your child has provided such information, please contact us immediately, and we will remove it.


Consent

By using our website, you consent to our Privacy Policy and agree to its terms.


Updates

This Privacy Policy may be updated from time to time. Any changes will be posted on this page with a revised “Last Updated” date.

📅 Last Updated: 31 August 2025

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What happens to the energy stored in an inductor carrying a current?

Can the Energy Stored in an Inductor Be Used Practically? Applications, Benefits, and Real-World Examples. Why does an inductive load create sparking across contacts?  An inductor stores energy in the form of a magnetic field as long as current is flowing through it. As the current stops, the magnetic field began to collapse. Collapsing magnetic flux is also a rate of change of magnetic flux that will induce a large voltage spike (back EMF) across it. Energy stored in an Inductor:  Since this induced voltage is parallel to the inductor coil, it decays by converting it to heat across the coil resistance. During this process, the coil generates a magnetic field again due to the flow of decaying current through the coil, which results in electromagnetic interference during radio operation and sparking across open contacts. Adverse effects of stored energy in an inductor:  Can we put this back-EMF into use? Yes. Practical Use of Stored Energy in an Inductor:  Spark-ignit...

Why are transformers rated in VA and not watts?

Why Is Transformer Rating Given in VA? Understanding Power in Volt-Ampere versus watts, Power Factor, and Transformer Efficiency related to inductive load Real reason: Because the manufacturer of the transformer never knows where it is going to be used. Suppose a transformer of 100KVA feeds a resistive load; it will develop 100 kilowatts of power across the load because the power factor of the resistive load is unity. If the same transformer feeds an inductive load of power factor 0.5, then it will develop only 50 kilowatts of power across the load. Hence, if I want to rate a transformer in watts, then I need to know the power factor of the load, which is impossible. So, the transformer is rated in VA, KVA or MVA. A mug of beer analogy of Power Factor: FAQ Set: Q1: Why is transformer rating given in VA instead of watts? Transformer ratings are given in   VA (volt-amperes)   because transformers must handle   apparent power , which includes both real power (watts) and reac...