letdou5705 letdou5705

20-02-2024
Physics

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An energy source delivers a constant current of 2 A for 10 s to a light bulb. If 2.3 kJ is dissipated in the form of light and heat energy, calculate the voltage (in V) across the bulb.

a) 11.5 V
b) 4.6 V
c) 20 V
d) 23 V

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