The correct order of events for the electromagnetic generators generate electricity is
b) The conducting coil rotates
c) The number of magnetic field lines passing through the coil changes
d) The flow of cuurent through the circuit
a)The stationary electrons in the wire experience a force.
The electromagnetic generators is working on the principle of electromagnetic induction. It has been used in many places as standby power sources in shops, homes etc.
It works by converting the mechanical energy into electrical energy by making use of electromagnetic conduction. which means the creation of current my moving the wire which is next to the magnet.
Learn more about the electromagnetic generators in
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Answer:
The minimum thickness of the oil is 77.55 nm
Explanation:
Given:
Refractive index of oil 
Refractive index of water 
Wavelength of light 
m
From the equation of thin film interference,
The minimum thickness is given by,
Where 
,
thickness
Here we have to find minimum thickness so we use 
m
nm
Therefore, the minimum thickness of the oil is 77.55 nm
Answer:
20 watts
Explanation:
Big brain mode activated:
Power=1200J/60sec
Power=20 watts
