Electricity Exercise Top - F2 Science

The voltmeter reading is 50 V .

A laptop charger supplies 19 V and a current of 2.1 A passes through the laptop. Calculate the resistance of the laptop. (Show formula, working, unit – 5 marks)

Components are in multiple branches. If one component fails, the others continue to work. f2 science electricity exercise top

Which wire is a safety device that carries current only if there is a fault? A. Live wire B. Neutral wire C. Earth wire (Correct)

State the three (3) primary states of matter. Answer: Solid, Liquid, Gas. The voltmeter reading is 50 V

A) Voltmeter, connected in parallelB) Voltmeter, connected in seriesC) Ammeter, connected in parallelD) Ammeter, connected in series Answer: D

In an electric circuit, resistance is: A) A connection terminal that is difficult to unscrew. B) Something which does not allow any charge to flow. C) A component connected the wrong way around. D) Something that restricts the flow of charge, transferring energy in the process. (Show formula, working, unit – 5 marks) Components

When analyzing circuits, it's important to know the standard circuit symbols: