(a) Primary key can be defined as the column or columns that contain values that uniquely identify each row in a table.
(b) A table is an arrangement of information in rows and columns containing cells that make comparing and contrasting information easier.
(iv) A database is an organized collection of structured information, or data, typically stored electronically in a computer system.
– Google Sheets
– iWork Numbers
– Microsoft Excel
(a) A Worksheet is basically a single-page spreadsheet containing information. A workbook is a file that contains multiple spreadsheets.
(b) Sorting means arranging the data in ascending or descending order while Filtering is a quick and easy way to find and work with selected data based on the criteria you specify.
(a) Eyedropper Tool – displays a menu with a variety of icons for specifying an object fill. Selecting the eyedropper tool, allows shadow to show
behind the object/text.
(b) Fill Tool is used to design or apply artistic effect to the inner part of an object or text.
(C) Shape Tool is used to reshape or trim an object or text.
(D) Outline Tool is used to apply outline effect or colour to an object or text. When clicked, it opens a flyout from which you can choose preset outline thickness and colours.
(3bi) The possible cause of a one sided deflection of the galvanometer can be because the potential difference between the ends of the potentiometer wire or the E.M.F. of the cell connected in the main circuit may not be greater than the E.M.F. of the cells whose E.M.F. are to be compared.
The positive terminals of the cells and the battery used, the circuit might not be connected to the same end of the potentiometer wire.
CORRECTION: In such a case we will ensure if all connections are tight and connecting wire are not broken.
(3bii) Parallel ——> Voltage remains
The National Examinations Council, confirmed 2022 NECO Physics Practical question and answer for this year (2022) is live here on Expospy.com.ng, the best exam portal of all time.
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As extracted from the 2022 timetable, NECO Physics Practical will be held Monday, 18/07/2022.
Here is the schedule of all exams scheduled for the day.
Monday 18th July 2022
Physics (Practical) – 10:00am – 12:45pm
Table of Contents
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NECO Physics Practical Specimen 2022
INSTRUCTIONS TO SCHOOL
Great care should be taken to ensure that the information given below does not reach candidates either directly or indirectly before the examination.
In addition to the usual apparatus in a Physics laboratory, each candidates will require in general; Mathematical Tables, Graph Paper and Geometrical Instruments. For question 1,2,3 the apparatus listed below are required.