The approximate value for the distance between the two points is <span>3.162277663.16227766</span>.
<span><span>√10</span>≈<span>3.16227766
</span></span>
Answer:
d. All of the above .
Explanation:
The sensitivity of microphone will be more if even feeble sound can create greater vibration in diaphragm . Naturally it is possible if diaphragm is light and can move easily . The movement it it is controlled by current in the coil which makes it electromagnet . All factors that increase the strength of magnet like increasing the no of turns , or a strong magnet will increase the sensitivity.
Sound waves are able to bounce off of, and sometimes pass through physical objects.
B. Reversing the current direction will cause the force deflecting the
wire to be perpendicular to the magnetic field but in the opposite
direction.
