what would happen if ammeters were connected in parallel?
Answers
Answer:
Let’s say you have a toy car, and it’s sitting in front of a regular bathroom mirror. The distance between the car and mirror is called the object distance, and it’s always positive. If you look at the image of the toy car in the mirror, it will appear to be the same distance behind the mirror as the real car is in front of the mirror, at the same height. It will also appear to be the same size as the real car. The image of the car looks like it’s behind the mirror (and the light we see does not directly emerge from the image), we say that the image is upright and virtual, and that the image distance is negative.
Viewer and car on one side of the mirror, virtual car on the other side of the mirror with rays traced; dotted on virtual side
Viewer and car on one side of the mirror, virtual car on the other side of the mirror with rays traced; dotted on virtual side
Spherical convex mirrors
Convex mirrors that are shaped like part of a sphere or circle, just like plane mirrors, always have a virtual image: the image always looks like it is on the other side of the mirror, and the image distance is always negative. Light rays that come towards the mirror from far away are essentially parallel, but when they hit the mirror they are reflected in all directions. However, there is a virtual focal point on the other side of the mirror if we follow them back into the mirror. The whole setup looks something like this:
Convex mirror with parallel light rays being reflected to a virtual focus
Convex mirror with parallel light rays being reflected to a virtual focus
In the sketch, we’ve marked the the location where the light rays converge as the focal point, and we’ve indicated that it is not the same location as the center of the circular mirror. We can see that light rays that come from far away, after being reflected, will look like they are coming from the virtual focal point behind the mirror. We can use this focal point to find out what the image of a reflected object would look like.
The toy car's image is smaller than the actual toy car and is infront of the object (the toy car).
The toy car's image is smaller than the actual toy car and is infront of the object (the toy car).
The image is virtual, since it’s behind the mirror, and it is upright.
Spherical concave mirrors
Like spherical convex mirrors, spherical concave mirrors have a focus. If the object is closer to the mirror than the focal point is, the image will be virtual, like we talked about before for the plane mirror and the convex mirror.
Answer:
If we connect an ammeter in parallel there will be higher flow of current through the ammeter, it would cause a short circuit, resulting in damaging the ammeter and the circuit. ... Ammeter has a very low resistance. So the current which we measure in a circuit using the ammeter will be same as if the ammeter is not there.
Explanation:
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