Answer:
Answer: See answers below.
This question tests your understanding of the current-voltage-resistance relationship. The current is directly proportional to the voltage and inversely proportional to the resistance. Any alteration in the voltage will result in the same alteration of the current. So doubling or tripling the voltage will cause the current to be doubled or tripled. On the other hand, any alteration in the resistance will result in the opposite or inverse alteration of the current. So doubling or tripling the resistance will cause the current to be one-half or one-third the original value.
a. The new current will be 0.5 • I.
b. The new current will be 2 • I.
c. The new current will be 1.5 • I.
d. The new current will be 4 • I.
e. The new current will be 0.25 • I.
f. The new current will be 15 • I.
g. The new current will be 0.8 • I.
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g. The new cost would still be D.
h. The new cost would be (1/2)•D.
Explanation:
1.A
2.B
3.C
4.D
5.A
6.A
7.C
8.B
9.D
10.A
