letter in the blank. Each question is worth one point. each question in this sec

Question

letter in the blank. Each question is worth one point. each question in this section with the words "True" or "False," or by writing the correct 1. The current in a series RLC circuit is minimum when the AC power supply is operating at the circuit's resonant frequency. 2. Magnetic field lines can, but do not always form closed loops. No matter the frequency, light waves always propagate at a speed of A stationary charged particle can be affected by an external magnetic field, 8. 299792458 m/s via magnetic force. 5. In a mass spectrometer, two particles are launched into a uniform magnetic field with identical charges and equivalent initial velocities. If two tracks with radii of r = 0.3 mm and r2-0.4 mm, the particle that travelled the path with ris more massive than the particle that travelled the path with re.

Explanation / Answer

1) False.

Because at resonance, the current in RLC circuit is maximum

2) False.

Magnetic field lines are always closed because magnetic monopoles do not exist.

3) True. Velocity of light is independent of frequency

4) False. Because magnetic fields apply force on a charged particle only when it moves

5) False. Because the radius of a particle's trajectory in a magnetic field is directly proportional to its mass. So more massive particle will have a bigger radius.

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