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Physics Wallah Limited (commonly known as Physics Wallah; or simply PW) is an Indian multinational educational technology company headquartered in Noida, Uttar Pradesh.The company was founded by Alakh Panday in 2016 as a YouTube channel aimed at teaching the physics curriculum for the Joint Entrance Examinations (JEE).
The Pratt & Whitney PW4000 is a family of dual-spool, axial-flow, high-bypass turbofan aircraft engines produced by Pratt & Whitney as the successor to the JT9D.It was first run in April 1984, was FAA certified in July 1986, and was introduced in June 1987.
The Pratt & Whitney Canada PW800 is a series of turbofan engines in the 10,000–20,000 lbf (44–89 kN) thrust class, manufactured by Pratt & Whitney Canada. Intended for the regional jet and business jet market, the gear-less PW800 shares a common core with the larger, geared PW1000G.
The PW8000 had an 11:1 bypass ratio (twice that of the V2500), a 40:1 overall pressure ratio, and 13 compressor stages instead of the 22 [4] in the V2500 for similar thrusts. Preliminary development was to end by June 1, the first test for 10 months later, and certification 20 months after, for $400 million.
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Crystal – a ceramic crystal used to generate precise frequencies (See the Modules class below for complete oscillators) Ceramic resonator – Is a ceramic crystal used to generate semi-precise frequencies; Ceramic filter – Is a ceramic crystal used to filter a band of frequencies such as in radio receivers; surface acoustic wave (SAW) filters
The device's efficiency depends on the harmonic content of the PWM signal. There is much research on eliminating unwanted harmonics and improving the fundamental strength, some of which involves using a modified carrier signal instead of a classic sawtooth signal [11] [12] [13] in order to decrease power losses and improve efficiency. Another ...
Dedan Thomas Jr. scored 21 points as UNLV beat Fresno State 87-77 on Saturday night. Thomas also contributed six assists for the Rebels (7-5, 1-0 Mountain West Conference). Jailen Bedford shot 5 ...