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.

Explanation

A pie chart represents data in a circular form, and the sum of all the angles in the chart always equals 360°.

Each slice of the pie chart corresponds to a portion of the total, and their angles add up to 360°.

Explanation

The cranium is the bony structure that encloses and protects the human brain.

It is also known as the skull.

It forms the upper part of the skull.

It providing a protective casing for the brain.

Explanation

The shortcut key for starting a slideshow from the current slide in Microsoft PowerPoint is: Shift + F5

Ctrl + N shortcut key used to Create a new presentation document

Ctrl + M shortcut key used for Insert a new slide

Ctrl + S shortcut key used to save a presentation

F5 shortcut key is used to start a slide show.

Explanation

Explanation

ICT stands for Information and Communication Technology.

It refers to the use of digital tools and resources (like computers, internet, smartboards) to enhance teaching and learning.

Explanation

• The greenhouse effect is an environmental problem caused by the increasing amount of carbon dioxide (CO2) in the atmosphere.
• Primarily due to human activities such as burning fossil fuels, deforestation, and land-use changes.
• This excess CO2 traps heat and leads to global warming and climate change.