The frequency of the generator is about 7.1 Hz

<h3>Further explanation</h3>
<em>Let's recall </em><em>eletromotive force</em><em> formula for a generator:</em>

<em>ε = electromotive force ( V )</em>
<em>B = magnetic field strength (T)</em>
<em>N= number of turns in a coil</em>
<em>A = cross-sectional area ( m² )</em>
<em>ω = angular frequency ( rad/s )</em>
<em>t = time taken ( s )</em>
Let's tackle the problem now !

<u>Given:</u>
maximum emf = ε = 8.0 V
number of turns = N = 200 turns
cross-sectional area = A = 0.030 m²
magnetic field strength = B = 0.030 T
<u>Asked:</u>
frequency of the generator = f = ?
<u>Solution:</u>




![f = 8.0 \div [ 2\pi (200)(0.030)(0.030) ]](https://tex.z-dn.net/?f=f%20%3D%208.0%20%5Cdiv%20%5B%202%5Cpi%20%28200%29%280.030%29%280.030%29%20%5D)
![f = 8.0 \div [ 0.36 \pi ]](https://tex.z-dn.net/?f=f%20%3D%208.0%20%5Cdiv%20%5B%200.36%20%5Cpi%20%5D)



<h3>Learn more</h3>

<h3>Answer details</h3>
Grade: High School
Subject: Physics
Chapter: Magnetic Field

Keywords: Magnet , Field , Magnetic , Current , Wire , Unit ,