February 21st, 2011
Published by: VR-Zone
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The Daily VR-Zone News Summary - 21 Feb 2011 February 21st, 2011
AC and DC current: Fundamental differences and a simple explanation February 21st, 2011
Through daily experience with common household equipment, many people should have noticed the terms AC and DC voltage and / or current; for example on a car battery which outputs 12V DC voltage or a household lighting lamp which needs 230V AC voltage. Yet only very few people can actually realize even that there are differences between AC and DC current, let alone understand the differences themselves. The purpose of this article is to explain the main characteristics and highlight the differences of AC and DC current, in terms understandable by people with very low or without technical expertise, along with providing some encyclopedic knowledge on the subject.
Through daily experience with common household equipment, many people should have noticed the terms AC and DC voltage and / or current; for example on a car battery which outputs 12V DC voltage or a household lighting lamp which needs 230V AC voltage. Yet only very few people can actually realize even that there are differences between AC and DC current, let alone understand the differences themselves. The purpose of this article is to explain the main characteristics and highlight the differences of AC and DC current, in terms understandable by people with very low or without technical expertise, along with providing some encyclopedic knowledge on the subject.
In today's news roundup: MSI's P67-based Big Bang Marshal motherboard gets reviewed; Intel has confirmed that shipment of the silicon-corrected versions of its faulty six-series Cougar Point chipsets have commenced; NEC announces world's thinnest smartphone based off Google's Android operating system; Samsung has unveiled five new lenses for its NX mount; Nintendo's 3DS handheld video game console gets ripped about for a little hardware CSI-ing. and Jill Valantine from the Resident Evil game series shows off some spiffy-looking combos in Marvel vs Capcom 3. Hardware News: Lamptron FC-8 Fan Controller Review @ Legit Reviews Description: Lamptron is a company that only a handful of consumers may be familiar with at the time of writing this; as they are a brand new company to the enthusiast scene of PC modding & gaming supplies. Lamptron already offers an impressive array of fan controllers with multiple control inputs. Today we'll be giving the FC-8 a run through an array of tests to see if their newest control really performs as good as it looks. With 30 watts per channel, will the FC-8 be the last fan controller you need to buy? Read on and we shall find out. Crucial Ballistix Active Cooling Fan Review at Overclockers Online Description: Crucial’s Ballistix Active Cooling Fan aims to cool down your memory by eliminating often ignored dead spots around your system memory. Easily installed and compatible all across memory makers the Ballistix Active Cooling Fan makes a great addition to any system even if low noise is important to you. Sapphire PURE Black P67: beyond the limits of Sandy Bridge (Italian) Description: (Machine translation) Last week we brought you the review of the motherboard X58 Sapphire Pure Black , high-performance solution in sight to the preview last CES in Las Vegas and designed the first generation of CPU based on Core i7 Socket LGA 1366. That product was a turning point for Sapphire same: always inextricably linked to the combination of AMD-ATI decides to change course and embrace competition from Intel's home, diversifying its offerings and to attract the attention of users of high-end or enthusiast.
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