how we know the change body contain positive and negative body Related: NCERT Solutions - Some Natural Phenomena?

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how we know the change body contain positive and negative body Related...

There are several ways to determine whether a charged body is positive or negative. One common method is to use a device called a multimeter, which can measure the voltage or electric potential difference between two points. If the voltage or electric potential difference is positive, the charged body is said to be positive. If the voltage or electric potential difference is negative, the charged body is said to be negative.

Another way to determine the charge of a body is to use a device called a charge sensor. A charge sensor can detect the presence of a charge on a body and determine whether it is positive or negative. Charge sensors are commonly used in physics laboratories and classrooms to help students learn about electric charge and the principles of electromagnetism.

Another way to determine the charge of a body is to observe its interactions with other charged bodies. If a charged body attracts a second charged body, it is said to have the opposite charge. For example, if a positive body attracts a negative body, it is likely that the positive body is positive and the negative body is negative.

Overall, there are several methods that can be used to determine the charge of a body, including using a multimeter, a charge sensor, or observing the body's interactions with other charged bodies.

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