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  2. Space charge - Wikipedia

    en.wikipedia.org/wiki/Space_charge

    As an application example, the steady-state space-charge-limited current across a piece of intrinsic silicon with a charge-carrier mobility of 1500 cm 2 /V-s, a relative dielectric constant of 11.9, an area of 10 −8 cm 2 and a thickness of 10 −4 cm can be calculated by an online calculator to be 126.4 μA at 3 V. Note that in order for this ...

  3. Debye sheath - Wikipedia

    en.wikipedia.org/wiki/Debye_sheath

    It was first used to give the space-charge-limited current in a vacuum diode with electrode spacing d. It can also be inverted to give the thickness of the Debye sheath as a function of the voltage drop by setting J = j i o n s a t {\displaystyle J=j_{\mathrm {ion} }^{\mathrm {sat} }} :

  4. Better Business Bureau (BBB) complaints and accreditation ...

    www.aol.com/lifestyle/better-business-bureau-bbb...

    BBB says it goes further than many other review sites to ensure its reviews are genuine. The organization doesn't allow anonymous reviews, for example, and it requires reviewers to confirm their ...

  5. Identify legitimate AOL websites, requests, and communications

    help.aol.com/articles/identify-legitimate-aol...

    Scammers and bad actors are always looking for ways to get personal info with malicious intent. Know how to recognize legitimate AOL websites, requests, and communications to keep your account secure.

  6. List of scams - Wikipedia

    en.wikipedia.org/wiki/List_of_scams

    The Spanish Prisoner scam—and its modern variant, the advance-fee scam or "Nigerian letter scam"—involves enlisting the mark to aid in retrieving some stolen money from its hiding place. The victim sometimes believes they can cheat the con artists out of their money, but anyone trying this has already fallen for the essential con by ...

  7. See a $9.84 Charge on Your Credit Card Bill? You've ... - AOL

    www.aol.com/news/on-bbb-warning-984-credit-card...

    Alamy Most credit card users know that it's important to check monthly statements for suspicious charges. Obviously, large sums that you never charged should be reported and generally can be removed.

  8. Protect yourself from internet scams - AOL Help

    help.aol.com/articles/protect-yourself-from...

    If you get an email providing you a PIN number and an 800 or 888 number to call, this a scam to try and steal valuable personal info. These emails will often ask you to call AOL at the number provided, provide the PIN number and will ask for account details including your password.

  9. Straight Talk: Beware SAT prep scams - AOL

    www.aol.com/straight-talk-beware-sat-prep...

    FOR BBB INFORMATION – Visit BBB.org or call us at 330-454-9401 to look up a business, file a complaint, write a customer review, read tips, find our events, follow us on social media, and more!