How do mosquito bats work?

News Excerpt:

Among all the electronic and chemical technologies humans have developed to battle the mosquitos, the most impressive is the 'electric tennis bat'. The mosquito bat is akin to a portable thunderstorm for them.

About Mosquito bats: 

  • The bat’s working principle is simple
    • There are three metal meshes. The one at the center is positively charged and the outer ones are negatively charged. 
    • When the layers don’t touch each other, current can’t flow. But when a mosquito connects them, a current passes through and kills the insect.
  • Essentially the mosquito receives an electric shock as the circuit for the flow of current gets completed.
  • The current generated in the bat is around 1,400 V, which is equivalent to about a thousand regular batteries
  • This voltage drives a powerful electric current through the mosquito while also creating sparks.

Scientific Principle:

  • Electric current is the flow of electrons through a complete circuit of conductors. When the negative and the positively charged meshes get in touch through the mosquito, the circuit gets completed.

  • Electric current is carried by electrons, the negatively charged fundamental particles that usually revolve around positively charged protons in every atom
    • Every atom has an equal number of protons and electrons, rendering them electrically neutral.
  • A battery generates electric force. How much electric force is generated depends on the battery’s volt value. The higher the voltage, the greater the force. 
    • For example, the pencil battery that powers our wall clocks is usually 1.5 V. A phone battery has a comparable range.
  • These are strong enough to drive currents through clocks and phones but not strong enough to give humans electric shocks. 
    • The current supplied to our household appliances comes with a voltage of 220V, which is enough to electrocute us.

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