Answer:
The magnetic field exerts net force and net torque on the loop.
A meter is 100 meters. So a hundredth of a meter stick is a centimeter.<span />
Answer: The complexity of filter is the order of the filter. Greater the order of the filter, more efficient the filter is. Roll of value of one filter is 20dB/dec. So the roll-off value of 8th order filter is 160dB/dec. 8th order filter is more efficient than the second order low-pass filter.
