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After "Crisis on Infinite Earths," the DC Universe was restructured with a single Earth and timeline. This event simplified the continuity and history of the DC characters, leading to a new era of storytelling that became known as the post-Crisis era. Many characters were rebooted, origins were retold, and new storylines were introduced to reflect the changes made by the event.
It was a diffrent character called Matrix Prime that later changed into her.
There's three of them...The 1940's Flash, Jay Garrick. The silver age Flash, Barry Allen. And then Barry's nephew, Wally West who started out as Kid Flash before Barry died in the story Crisis on Infinite Earths.
The character Power Girl is from the DC Comics universe. She made her first appearance in All Star Comics #58. She also appeared in the series Infinite Crisis.
DC 9 11 Time of Crisis - 2003 TV is rated/received certificates of: Australia:M Netherlands:6 USA:TV-PG USA:R
construction of DC generator
what is necessity of commutator in DC generator
Braniac was never human nor is he now a machine. He is a Coluan which is a race of super intelligent aliens. In Pre-Crisis DC history, Braniac did take on a robot from Action Comics 544 onward until Crisis on Infinite Earths, then the creators reverted him back to his Coluan body (though it is highly modified by machines).
Earth-C. Pre-Crisis eath that is, unsure if it stayed around as a Post-Crisis however.
in a dc frequency=0 impedance is xc=1/2*pi*f*c so impedance infinite
The Cuban Missile Crisis of 1962
When the frequency is zero(i.e when dc power is supplied), capacitor is open is treated as open circuit having infinite resistance.