Answer:
Explanation:
B = Magnetic field = 1.1 T
L = Length of square = 10.4 cm
A = Area of square =
t = Time taken
V = Voltage = 120 V
N = Number of turns = 350
= Angular frequency
Voltage in the generator is given by
Voltage is maximum when
The minimum rotation rate of the coil so it will produce the required voltage is
The Big Bang Theory is a theory that describes the origin of the Universe. This theory was first proposed by the Belgian cosmologist G. Lemaitre in 1931.
- The evidence of universe expansion that supports the Big Bang Theory is the observation that the temperature of the universe is decreasing.
- According to this theory, the Universe is continuously expanding as it becomes cooler.
The most important lines of evidence that support the Big Bang Theory include:
- The observed expansion of the space in the Universe.
- The discovery of the cosmic microwave background radiation (CMB) is believed to be leftover radiation from the Big Bang.
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Answer:
a
Explanation:
extra noise that animals and humans can hear
Answer:
13 electrons
Explanation:
As we all know in stable atom..proton number is equal to the electron number
therefore if an atom has 13 protons...its electrons are also 13