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.

March 18, 2026Physics

ScanSolve AI Answer

March 18, 2026

Answer

I t $$

Question 1

Step 1: The quantity of electricity transferred is the charge $Q$ given by the formula
$Q = I t$

Step 2: Convert time to seconds
$t = 2 \ min = 2 \times 60 = 120 \ s$

Step 3: Substitute the values

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Question 1 Step 1: The quantity of electricity transferred is the charge Q given by the formula Q = I t Step 2: Convert time to seconds t = 2 \ min = 2 × 60 = 120 \ s Step 3: Substitute the values…

Asked on March 18, 2026Physics

This physics problem tests your understanding of fundamental physical laws and their applications. The step-by-step solution below breaks down the problem using relevant equations and physical reasoning.

ScanSolve AI AnswerAnswered on March 18, 2026

Question 1 Step 1: The quantity of electricity transferred is the charge Q given by the formula Q = I t Step 2: Convert time to seconds t = 2 \ min = 2 × 60 = 120 \ s Step 3: Substitute the values