Yes, the magnetic field of a wire carrying a current forms a cylinder shape around the wire, but that's not similar to the field of a bar magnet.
Yes it’s is a force multiplier
Answer:
50 dB.
Explanation:
given,
Amplification needed by the woman,I= 1 x 10⁵ I₀
where as I₀ is the threshold frequency
overall hearing loss of the woman= ?
Using the equation of sound intensity level




The overall hearing loss of woman is equal to 50 dB.
It’s D size and temperature
The centripetal force acts upon an object moving in a circle at constant speed. The centripetal force acts perpendicular to the direction of motion , the speed of object will remain constant.