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An unknown resistance creates 2 amps of current when attached to a 30-volt power source. what is the size of the unknown resistance? a. 0.07 ohms b. 0.7 ohms c. 15 ohms d. 60 ohms
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An unknown resistance creates 2 amps of current when attached to a 30-volt power source. what is the size of the unknown resistance?

a. 0.07 ohms
b. 0.7 ohms
c. 15 ohms
d. 60 ohms

User T S
by
8.3k points

1 Answer

6 votes
V=IR, V=30, I=2, algebra and tada, R=15
User Taheera
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