One method to measure AC current would be take current measurements at increments across one complete cycle and average them together. This would give us an average value of the current. If the current is a perfect sine wave, mathematically, the average value is always 0.636 times the value of the peak amplitude.
Billboard’s Top 10 Albums This Week!
Discs by Taylor Swift, Justin Bieber and more are battling it out on the Billboard 200. Click the pics for this week’s top 10 albums!
Rascal Flatts Dish About Guest Starring on ‘CSI’
Country music supergroup Rascal Flatts guest starred on Thursday night’s episode of "CSI: Crime Scene Investigation," and the band spilled behind-the-scenes secrets to ET!
"We jumped at the chance, the opportunity [to guest-star]," guitarist Joe Don Rooney told ET. "It’s been a blast."
We get to step out, do something different, added lead singer Gary LeVox. Weve all had the drive to try to maybe do some acting Its kind of a win-win for everybody.
Shakira Bestowed with Honor from UN
The United Nations presented popstar Shakira with a medal to acknowledge her philanthropic work for issues concerning children and youth.
Shakira founded the Barefoot Foundation in her native country of Colombia. The organization provides proper nutrition and an education to upwards of 6,000 children. It also extends its outreach to the kids’ parents and community.
At the ceremony in Geneva, Shakira made a call for others to offer service: "It’s not too late to keep our promise to our children, but we must act now. Together, we can make education and decent work for all a reality."
Academy of Country Music Announces Nominees
Country legend Reba McEntire and fellow singer Blake Shelton were up bright and early Tuesday morning to announce the Academy of Country Music Awards nominees on CBS’ "Early Show" and ET got the backstage scoop.
"We represent country music this morning, and that’s an honor," Blake said of reading the list of nominees.
Both Reba and Blake received a nomination, and Reba told ET, "We’re tickled. Absolutely wonderful." Blake chimed in, "I’m shocked right now. She’s actually holding me up right now."
Video: Donny Osmond’s First Interview Since the Death of Marie’s Son
The Osmond family has turned to one another as they strive to move forward following the suicide of Michael Bryan, Marie’s son. Marie’s brothers and nephew gathered in Utah on Monday night to support the release of David’s new album, "Reflected." They also used this as an opportunity to reflect on the tragedy that has afflicted their tight-knit family.
Donny Osmond said, "Whenever there’s a situation where there needs to be rallying, the Osmonds rally around each other and support each other. And, there’s a lot of that going on right now."
Upon receiving the devastating news of Michael’s death, the brothers immediately boarded Donny’s plane to join their sister in Las Vegas. "It meant a lot to her to have us at her house," reported Donny.
Aerosmith Announces Summer Tour of Europe
Almost seven months after calling off their last tour when singer Steven Tyler fell off a stage, Aerosmith is heading back out again, this time to Europe.
The legendary band’s "Cocked, Locked, Ready to Rock" tour kicks off on June 10th in Sweden.
"Back by popular demand with more spit and fire than ever before, we’re coming across the pond and parting the waters as we go," Tyler said of the upcoming tour.
Top 10 Songs on the Hot 100: Ke$ha Dethroned!
Who dunnit? Who knocked Ke$ha’s long-reigning “TiK ToK” out of the No. 1 spot? Was it Lady Gaga? The Black Eyed Peas? Click the pics to find out, and see the rest of this week’s top 10 singles on Billboard’s Hot 100!
Jay Leno Enlists Adam Lambert, More Stars for ‘The Tonight Show’
A host of music stars will help welcome back Jay Leno to "The Tonight Show."
Leno will be joined by Adam Lambert, Robin Thicke, Ben Harper, Ryan Bingham and Lifehouse during his first two weeks back as the host, NBC tells the Associated Press.
The funnyman retakes "The Tonight Show" throne on March 1. Click here to find out which other big-name guests are expected to appear!
Chris Brown: Hats Off to Tiger Woods
Earlier today, Chris Brown told Mojo in the Morning: "My hat is off to [Tiger Woods] — I support him." The singer even drew a comparison between himself and the embattled sports icon, saying they both deserve a break!
Both stars have had an image crisis after being involved in shocking scandals — Brown for beating then girlfriend Rihanna and Woods for a bizarre accident that was never explained as news broke he had numerous affairs on his wife.
"Whatever his personal life is — and I think this goes for me and him — his personal life is his personal life," the singer said on Mojo in the Morning. "I do music, I sing songs, like, I’m an entertainer, I’m a performer, but people make mistakes," he added. "So my hat is off to him — I support him, I hope he gets back on the field and does his thing, cause he is the best at it."
Elvis Lives on in Vegas
Elvis is back in the building at Aria Resort and Casino in Las Vegas. ET was on the blue suede carpet for the opening of "Viva Elvis," a new Cirque du Soleil production.
Priscilla Presley, his ex-wife, was very involved in the three-year process of putting this show together. She admitted, "The wedding scene was emotional."
"The Girls Next Door"’s Holly Madison also got "All Shook Up" for the tribute, wearing an Elvis necklace. She revealed that her favorite song is "Jailhouse Rock."
Billy Corgan Describes His Relationship with Jessica Simpson
Following reports of a rumored romance with Jessica Simpson, Smashing Pumpkins frontman Billy Corgan sets the record straight.
The stuff that Ive seen doesnt have any bearing to the reality that Im in, he told the Chicago Tribune of the dating rumors. Its like being in a cartoon. It has nothing to do with whats really going on or how I feel.
Corgan explained that he was helping Simpson record the theme song for her upcoming VH1 reality show "The Price of Beauty." The rock star says of the program, "[The show] has an interesting concept. She goes around the world to show how different people perceive beauty. In some cultures, bigger is better. In some, smaller is better. Its interesting.
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