alleryStart learning →What resistance is required to draw 0.15 A from a 9.0 V battery?
A1.4 ohm
B60 ohm
C0.017 ohm
D135 ohm
Answer & Solution
Correct answer: B. 60 ohm
1. Ohm's law rearranged for resistance gives R = V/I.
2. Substitute V = 9.0 V and I = 0.15 A.
3. R = 9.0 V / 0.15 A = 60 ohm.
_Source: OpenStax Physics (CC BY 4.0), Ch 19 "Electrical Circuits", section 19.2 Series Circuits_
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