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  1. The amplifier gain is 101. Its input resistance is very high because of the feedback. The capacitance becomes a divider with 15.1pF and 14.9pF in series. The ratio is not frequency dependent within reason. The initial capacitance on each side...

    2 Answers · Science & Mathematics · 26/04/2014

  2. ... formulas allow for converting from one representation to the other. PF (Power factor) = true power / apparent power = cos(θ) from trig. θ = arccos...

    1 Answers · Science & Mathematics · 04/04/2014

  3. Hp = eff * V * I * PF * 1.73 / 746 eff is the efficiency of the motor. If the Hp ...

    4 Answers · Science & Mathematics · 23/03/2014

  4. ...factor of 0.5, the KVA requirement for this load will be KVA = KW / PF or KVA = 500 / 0.5 = 1000. This indicates the 500 KW...

    2 Answers · Science & Mathematics · 06/03/2014

  5. ...if too big, make capacitive power factor. The fridge has a power factor (PF) which means it draws more current than the real power suggests...

    5 Answers · Science & Mathematics · 25/02/2014

  6. ...same. If the motor is rated in watts and a power factor (PF) instead of voltage and current, divide watts by PF to get KVA (a...

    4 Answers · Science & Mathematics · 22/02/2014

  7. ...a normally rated 10 KVA generator is KW = KVA * PF = 10 * 0.8 = 8 KW. The theoretical HP is 746 watts...

    2 Answers · Science & Mathematics · 25/02/2014

  8. It's more obvious than you think (or I haven't woken up enough yet.) It's just 18300V ⁄ 140Ω ≈ 130.7A. That's so, because the capacitor is charged up and acts like a simple voltage source (for only a moment) that...

    2 Answers · Science & Mathematics · 17/02/2014

  9. ...so the frequency response is not disturbed. It would be only 2 pF in the example, but still essential. So always use the X10 probe unless there...

    3 Answers · Science & Mathematics · 20/02/2014

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