Explanation

A switch is used to control the On/Off state of an electrical circuit.

It allowing current to flow or stopping it when needed.

Explanation

تشبیہ کے لفظی معنی ہیں کسی ایک چیز کو کسی دوسری چیز کی مانند قرار دینا، لیکن اصطلاح میں علمِ بیان کی رو سے جب کسی ایک چیز کو کسی مشترک خصوصیت کی بنا پر کسی دوسری چیز کی مانند قرار دیا جائے، تو اسے تشبیہ کہتے ہی

Explanation

The English Channel runs between the countries of England and France.

The English Channel has long served as a natural barrier between England and the rest of Europe.

Explanation

The US Secretary of State said that the US will respond quickly and appropriately if the Syrian government attacks chemical weapons again.

This statement was made after the Syrian leader, Bashar Assad, used chemical weapons against his own people.

The US, along with France and Britain, struck targets in Syria as punishment for Assad's actions.

President Trump also mentioned that the US is prepared to sustain the response until the Syrian regime stops its use of prohibited chemical agents.

Explanation

The Government of India Act 1919  was an Act of the Parliament of the United Kingdom.

It was passed to expand participation of Indians in the government of India.

Explanation

POA stands for Pakistan Olympic Association, which is the National Olympic Committee (NOC) of Pakistan.

It is responsible for promoting and developing sports in Pakistan and sending Pakistani athletes to the Olympic Games.

Explanation

"To back out" means to withdraw from a commitment or plan.

It involves retreating from a situation one initially intended to proceed with.

Explanation

A database is an organized collection of structured information, or data, typically stored electronically in a computer system.

A database is usually controlled by a database management system (DBMS).

Explanation

• A dry chemical Fire extinguisher can be used on all types of fire
• ***
• An ABC or Multi-Purpose Dry Chemical portable fire extinguisher is useful for Class A, B, and C fires.
• These units can be used on wood, paper, cloth, trash, flammable liquids, and energized electrical equipment.
• ***

• extinguishers بجھانے والے

  Carbon dioxide is used in fire ‘extinguishers’

  
  

Explanation

Petroleum, natural gas & coal are called non-renewable energy sources.

The most popular renewable energy sources currently are:

1.      Solar energy

2.      Wind energy

3.      Hydro energy

4.      Tidal energy

5.      Geothermal energy

6.      Biomass energy

RK12-12-2022