The coil of a generator has a radius of 0.14 m. When this coil is unwound, the wire from which it is made has a length of 10.0 m. The magnetic field of the generator is 0.24 T, and the coil rotates at an angular speed of 34 rad/s. What is the peak emf of this generator?

5.565 V

Explanation:

Radius of coil of generator=r=0.14 m

Length of wire=l=10 m

Magnetic field,B=0.24 T

Angular speed,

We have to find the peak emf of the generator.

Peak(maximum) induced emf of generator=

Using the formula

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explanation:

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a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.