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Keith_Richards [23]
2 years ago
13

Mechanism of electric generator​

Physics
2 answers:
olga_2 [115]2 years ago
4 0

Answer:

<em>Electric generators work on the principle of electromagnetic induction. A conductor coil (a copper coil tightly wound onto a metal core) is rotated rapidly between the poles of a horseshoe type magnet. ... When the coil rotates, it cuts the magnetic field which lies between the two poles of the magnet.</em>

Explanation:

<h3>I hope this helps!</h3>
german2 years ago
4 0

Explanation:

The electric motor, generator, and transformers all work on the principle of electromagnetic induction. The electric motor converts electrical energy into mechanical work. The electric generator works in the opposite way of an electric motor. It converts mechanical work into electrical energy. The source of mechanical energy varies from a wide range of hand cranks and combustion engines.

An electric generator works on the principle of electromagnetic induction phenomenon. According to it, whenever a coil is rotated between the poles of a magnet, an induced current is set up in the coil, whose direction is given by Fleming’s right-hand rule. The principle of working of a generator is such that the flow of electric charges can be induced by moving an electrical conductor in a magnetic field. Moving the conductor in the magnetic field or stationary conductor in a fluctuating magnetic field produces a voltage difference between the two ends of the wire (electrical conductor), thus producing an induced current.

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Answer:

Distance between centre of Earth and centre of Moon is 3.85 x 10⁸ m

Explanation:

The attractive force experienced by two mass objects is known as Gravitational force.

The gravitational force is determine by the relation:

F=\frac{Gm_{1} m_{2} }{d^{2} }      ....(1)

According to the problem,

Mass of Moon, m₁ = 7.35 x 10²² kg

Mass of Earth, m₂ = 5.97 x 10²⁴ kg

Gravitational force experienced by them, F = 1.98 x 10²⁰ N

Universal gravitational constant, G = 6.67 x 10⁻¹¹ Nm²kg⁻²

Substitute these values in equation (1).

1.98\times10^{20} =\frac{6.67\times10^{-11}\times7.35\times10^{22}\times5.97\times10^{24} }{d^{2} }

d^{2}=\frac{2.93\times10^{37}}{1.98\times10^{20}}

d=\sqrt{1.48\times10^{17}}

d = 3.85 x 10⁸ m

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