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Heat developed in a resistor when the current is changed

This type of question, asked 4 times: 2021 Paper 6, 2021 Paper 23, 25 Jun 2022, 31 Jan 2023. All 4 questions below, oldest first.

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  1. Question 1

    2021 Paper 6

    14
    A resistor develops 500 J500\text{ }J of thermal energy in 20 s20\text{ }s when a current of 1.5 A1.5\text{ }A is passed through it. If the current is increased from 1.5 A1.5\text{ }A to 3 A3\text{ }A, what will be the energy developed in 20 s20\text{ }s?

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  2. Question 2

    2021 Paper 23

    30
    A resistor dissipates 192 J192\text{ }J of energy in 1 s1\text{ }s when a current of 4 A4\text{ }A is passed through it. Now, when the current is doubled, the amount of thermal energy dissipated in 5 s5\text{ }s is ____\_\_\_\_ J.

  3. Question 3

    25 Jun 2022

    27
    A resistor develops 300 J300\text{ }J of thermal energy in 15 s15\text{ }s, when a current of 2 A2\text{ }A is passed through it. If the current increases to 3 A3\text{ }A, the energy developed in 10 s is ____\_\_\_\_ J.

  4. Question 4

    31 Jan 2023

    99
    The HH amount of thermal energy is developed by a resistor in 10 s10\text{ }s when a current of 4 A4\text{ }A is passed through it. If the current is increased to 16 A16\text{ }A, the thermal energy developed by the resistor in 10 s10\text{ }s will be:

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