Answered: How much chemical energy must a 1.25V…

How much chemical energy must a 1.25V flashlight battery expend in producing a current flow of 150 mA for 4 min? Select one: a. 48.8 W b.162.5 mJoules c.6 Ohm d.45 W

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter7: Electricity

Section: Chapter Questions

Problem 26P: . A certain electric motor draws a current of 10 A when connected to 120 V (a) What is the motor’s...

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Ohm's law

Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

Path of Least Resistance

In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.

Question

How much chemical energy must a 1.25V flashlight battery expend in producing a current flow of 150 mA for 4 min?

Select one:

a. 48.8 W

b.162.5 mJoules

c.6 Ohm

d.45 W

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