Question 5- Give example to illustrate conservation of charge? (Physics 2019-20 1Marks AMU +2)

 

Answer

The law of conservation of charge states that the electric charge can neither be created nor destroyed. In a closed system, the amount of charge remains the same. When something changes its charge, it does not create charge but transfers it.

For example,

1) Due to friction opposite charges appear on two bodies that are rubbing against each other bu the net charge is still zero.

2) During radioactive decay, a proton decays into a positron and a neutron, again no net charge production.

Related Questions

Q-Is current conserved?

A-A fundamental concept in physics is that charge will always be conserved. In the context of circuits this means that, since current is the rate of flow of charge, the current flowing into a point must be the same as current flowing out of that point.

Q-What are the three methods of charging?

A-In order to charge an object, one has to alter the charge balance of positive and negative charges. There are three ways to do it: friction, conduction and induction.

🎁Question 1- Define Magnetic Meridian? (Physics 2019-20 1Marks AMU +2)

🎁Question 2- What is eddy current? (Physics 2019-20 1Marks AMU +2)

🎁Question 3 - An object is placed at the principal focus of a concave lens of focal length f .Where will its image be formed? (Physics 2019-20 1Marks AMU +2)

🎁Question 4-What is the phase difference In a common emitter amplifier, between the input signal voltage and output voltage ? (Physics 2019-20 1Marks AMU +2)