Recent content by M4tr!x

  1. M

    Physics: Electromagnetic Oscillations and AC?

    An RLC circuit has a resistance of 200 Ω and an inductance of 15mH. Its oscillation frequency is 7000 Hz. At time t = 0 the current is 25mA and there is no charge on the capacitor. After five complete cycles the current is: A. zero B. 1.8 × 10^−6 A C. 2.1 × 10^−4 A D. 2.3 × 10^−3 A E. 2.5 ×...
  2. M

    Physics: Electric Charge?

    A 2-μC charge is placed at the origin, an identical charge is placed 2 m from the origin on the x axis, and a third identical charge is placed 2 m from the origin on the y axis. The magnitude of the force on the charge at the origin is: A) 9.0x10-3 N B) 6.4x10-3 N C) 1.3x10-2 N D) 1.8x10-2 N E)...
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