What must you know to solve Kepler's third law, the law of periods?
2 answers:
<h2>Answer: B. Period of the orbit</h2>
Explanation:
According to the Third Kepler’s Law of Planetary motion <em>“The square of the orbital period of a planet is proportional to the cube of the semi-major axis (size) of its orbit”. </em>
Talking in general, this law states a relation between the orbital period of a body (moon, planet, satellite) orbiting a greater body in space with the size
of its orbit.
This Law is originally expressed as follows:
Where;
is the Gravitational Constant
is the mass of the massive (greater) body
is the semimajor axis of the orbit of the smaller body
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Answer:
The number of turns in secondary coil is 4000
Explanation:
Given:
Current in primary coil A
Current in secondary coil A
Number of turns in primary coil
In case of transformer the relation between current and number of turns is given by,
For finding number of turns in secondary coil,
Therefore, the number of turns in secondary coil is 4000