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24 April, 07:16

A space heater primarily converts electrical energy into

A. light energy

B. mechanical energy

C. sound energy

D. thermal energy

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Answers (1)
  1. 24 April, 07:38
    0
    Answer: D. Thermal energy

    Explanation

    A space heater uses resistance elements that are heated by an electrical current.

    The thermal energy, Q, generated in a resistance of R ohms that carries a current of I is

    Q = I²R

    This equation assumes that all the electrical energy is converted into thermal energy without losses.
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