An electric generator contains a coil of 140 turns of wire, each forming a rectangular loop 71.2 cm by 22.6 cm. the coil is placed entirely in a uniform magnetic field with magnitude b = 4.32 t and initially perpendicular to the coil's plane. what is in volts the maximum value of the emf produced when the loop is spun at 1120 rev/min about an axis perpendicular to the magnetic field?

11405Volt

Explanation:

To solve this problem it is necessary to use the concept related to induced voltage or electromotive force measured in volts. Through this force it is possible to maintain a potential difference between two points in an open circuit or to produce an electric current in a closed circuit.

The equation that allows the calculation of this voltage is given by,

Where

B = Magnetic field

A= Area

N = Number of loops

= Angular velocity

Our values previously given are:

We need convert the angular velocity to international system, then

Applying the equation for emf, we replace the values and we will obtain the value.

80cm/s.

24cm/s.

53.3cm/s.