Practice MCQs

Explanation: The SI unit of electric current is the Ampere (A), named after French physicist André-Marie Ampère. It measures the flow of electric charge per unit time.

Explanation: F = ma is Newton's Second Law of Motion. It states that the force on an object equals its mass multiplied by its acceleration.

Explanation: Sound travels at approximately 340 m/s (about 1224 km/h) in air at room temperature (20°C). This speed varies with temperature and medium.

Explanation: Ohm's Law: V = I × R, where V is voltage, I is current and R is resistance. It describes the relationship between these fundamental electrical quantities.

Explanation: The SI unit of force is the Newton (N), named after Sir Isaac Newton. One Newton is the force needed to accelerate a 1 kg mass at 1 m/s².

Explanation: CPEC was officially launched in April 2015 when Chinese President Xi Jinping visited Pakistan and signed agreements worth $46 billion, later raised to $62 billion.

Explanation: The Pakistan Stock Exchange (PSX), formed in 2016 by merging the Karachi, Lahore and Islamabad exchanges, is the main stock exchange of Pakistan.

Explanation: Wheat is the largest crop in Pakistan by production and is the staple food of the country. Pakistan is one of the world's top wheat producers.

Explanation: The State Bank of Pakistan (SBP), established on July 1, 1948, is the central bank of Pakistan responsible for monetary policy and regulating the banking sector.

Explanation: Textile and clothing is Pakistan's largest export sector, accounting for over 60% of total exports. Pakistan is among the top textile-producing countries globally.