Answer:The choke coil works because it can act as an inductor. When the current pass through will change as AC currents creates a magnetic field in the coil that works against that current. This is known as inductance and blocks most of the AC current from passing through.
Explanation:
Answer:
1. A force is a push or pull upon an object resulting from the object's interaction with another object.
Explanation:
Take the barometer to the roof of the building. Drop the barometer from the edge of the roof, and, with your wrist watch or a stop watch, measure the time it takes for the barometer to hit the ground or the street below. Then the height of the roof, in meters, is 4.9 times the square of the time in seconds.
Answer:
(B) inverted
Explanation:
The negative sign in the magnification shows that image is inverted. Magnification is a ratio of the size image and the size of size of the object when it is positive means that image formed is erect but when it is negative it means that image is inverted, when it is greater than 1 means size of image is more than the size of object
