Answer:
Explanation:
As we know by radioactivity law
so here we will have
now we will have
now we also know that
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Answer:
A magnetic field pulls and pushes electrons in certain objects closer to them, making them move. Metals like copper have electrons that are easily moved from their orbits. If you move a magnet quickly through a coil of copper wire, the electrons will move - this produces electricity.
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Answer:
11.5
Explanation:
you do 12(sin 73.3) because its on the y you do sin
Answer:
The magnitude of average emf is 9.813 mV.
Explanation:
Given that,
Number of turns = 25 turns
Diameter = 1.00 m
Magnetic field = 50.0μm
Time = 0.200 s
Angle = 180°
We need to calculate the area of the coil
Using formula of area
We need to calculate the average emf
Using formula of emf
Where, N = number of turns
A = Area
B = magnetic field
Put the value into the formula
Hence, The magnitude of average emf is 9.813 mV.