A current of 2.0 A flows through a flashlight bulb when it is connected across the terminals of a 5 V battery. What is the energy dissipated by this bulb during 1 hour of continuous working?*

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asked Dec 24, 2022 190k views

5 votes

A current of 2.0 A flows through a flashlight bulb when it is connected

across the terminals of a 5 V battery. What is the energy dissipated by this
bulb during 1 hour of continuous working?*

Physics
high-school

Chinmoy asked

by Chinmoy

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1 Answer

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V=5V
I=2A
t=1h

Using Joules law

$\\ \sf\Rrightarrow H=VIt$

$\\ \sf\Rrightarrow H=5(2)(1)$

$\\ \sf\Rrightarrow H=10Kwh$

Box answered Dec 30, 2022

by Box

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