Explanation

An assessment is called reliable if it gives consistent results over time with the same students.

Reliability means the test is dependable and free from random errors.

Explanation

Explanation

The SI unit of electric resistance is the ohm (Ω).

1 Ω = 1 V/A.

while

The SI unit of resistivity is an ohm-meter.

Explanation

Explanation

The 1973 Constitution recognizes Urdu as Pakistan's only national language.

The 1973 Constitution contained:

•  280 articles
•  07 schedules with Objective Resolution.
• 12 chapters 

Effective date: 14 August 1973

Drafted by the Government of Zulfiqar Ali Bhutto

The Constitution declared Pakistan an Islamic Republic and Islam as the state religion.

Confusion

Urdu is the national language of Pakistan since 14 August 1947.

In 1954 Urdu and Bengali were declared the national languages of Pakistan.

The 1973 Constitution recognizes Urdu as Pakistan’s only national language. 

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Urdu declared as official language In the subcontinent in 1932

ND5-5-2023

Explanation

• The lungs are the organs responsible for exchanging oxygen and carbon dioxide through the process of respiration.
• They consist of air-carrying tubes (bronchi and bronchioles) and tiny sacs (alveoli) where gas exchange occurs.

Explanation

Explanation

Explanation

Explanation

A device that is used to convert AC voltage into DC voltage is called A Rectifier.

Inverters and rectifiers are electronic circuits that can change the type of electric current.

a rectifier converts AC to DC.