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If a current of 5A flows for 2 minutes, find the quantity of electricity transferred. 2. Find the force acting vertically downwards on a mass of 200g attached to a wire. 3. A mass of 500kg is raised to a height of 6m in 30s. Find (a) the work done and (b) the power developed. 4. An electric heater consumes 1.8 MJ when connected to a 250V supply for 30 minutes. Find the power rating of the heater and the current taken from the supply.
Physics
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Question 1
Step 1: The quantity of electricity transferred is the charge given by the formula
Step 2: Convert time to seconds
Step 3: Substitute the values
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