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Cashar 4 / 8
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Natiijada casharka
I can describe how the power of an appliance or electric circuit depends on current and potential difference.
Muuji qoraalka
Power is the amount of energy transferred per second and is measured in watts (W).
Power can be calculated using the equation: power = current × potential difference (P = I V).
At a constant p.d., a larger electric current transfers energy more quickly than a smaller current.
Domestic appliances plugged into the mains supply in the UK have a p.d. of 230 V across them.
The fuse with the smallest rating for the required current (calculated using the equation: P = I² R) should be used.
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Waxa ardaydu arkaan
Tan waa isla casharka sida ardaygu u arko. Waxaad qayb kasta u dirsan kartaa ardayda.
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