Explanation

• The SI unit of electric current is Ampere (A).
• Electric current measures the flow of electric charge.
• Defined using the elementary charge (e = 1.602176634 × 10⁻¹⁹ C).
• Named after: André-Marie Ampère (scientist).
• 1 Ampere = 1 Coulomb per second (1 A = 1 C/s).

Last verified on 08-06-2026

Explanation

• Sublimation is the direct transition of a solid into a gas without passing through the liquid phase.

Additional information:

Some common sublimating substances:

• Dry ice (CO₂) – solid → gas
• Iodine crystals – solid → violet gas
• Camphor – solid → vapor
• Naphthalene (mothballs) – solid → gas
• Ammonium chloride – solid → gas

Last verified on 13-03-2026

Explanation

Suez Canal

• Location: Egypt
• Opened: 1869
• Length: 193 km
• Connection: Links Mediterranean Sea to Red Sea
• Purpose: Provides the shortest maritime route from Europe to Asia

Last verified on 08-02-2026

Explanation

• An operating system manages computer hardware and software resources.
• It uses hardware efficiently and provides services to applications.
• It allows programs to run smoothly and interact with hardware.
• It acts as an interface between users, applications, and hardware.

Last verified on 08-06-2026

Explanation

• Photosynthesis produces glucose and oxygen.
• Green plants use sunlight, water, and carbon dioxide.
• This process occurs in chloroplasts using chlorophyll.
• Glucose is used as food for energy and growth.
• Oxygen is released as a byproduct into the atmosphere.

Last verified on 10-03-2026

Explanation

• Linux is based on open-source software.
• It is a Unix-like operating system.
• Created by: Linus Torvalds (1991).
• It is widely used in servers, mobile devices, and supercomputers.

Last verified on 07-06-2026

Explanation

tan 45° = 1

cot 45° = 1

tan² 45° + cot² 45°

= 1² + 1²

= 1 + 1

= 2

Last verified on 19-03-2026

Explanation

FATF (Financial Action Task Force):

• Headquarters: Paris, France
• Purpose: To combat money laundering and terrorism financing / Financial regulations and anti-money laundering
• Official Languages: English & French
• Full Member Countries: 37
• Full Member Organizations: 2
• Total Members: 39

Last verified on 10-03-2026

Explanation

• Gwadar is a deep-sea port city in Pakistan (Balochistan).
• Its main role is international trade and maritime shipping.
• Fishing is also an important local economic activity.
• It is a key part of the CPEC (China–Pakistan Economic Corridor).
• It connects Pakistan with the Arabian Sea and global trade routes.

Last verified on 07-06-2026

Explanation

• George Washington was the first President of the USA.
• He was serving from 1789 to 1797.
• He is often called the "Father of His Country" for his leadership in the founding of the United States.

Additional information:

The short list of Presidents of USA:

• 1st. George Washington
• 2nd. Adams John Adams
• 3rd. Thomas Jefferson
• 15th. James Buchanan
• 16th. Abraham Lincoln
• 17th. Andrew Johnson
• 44th. Barack Obama
• 45th. Donald Trump
• 46th. Joe Biden
• 47th. Donald Trump (Current)

Last verified on 07-06-2026