For a fixed voltage, the current A in an electrical circuit is inversely proportional to the reistance R in the circuit, that is, A=k/R, where k is a constant. If the current is 100 amperes when the resistance is 20 ohms, when the resistance is 25 ohms the current is _______ amperes.

a. 80
b. 125
c. 120
d. none of these

Question

For a fixed voltage, the current A in an electrical circuit is inversely proportional to the reistance R in the circuit, that is, A=k/R, where k is a constant. If the current is 100 amperes when the resistance is 20 ohms, when the resistance is 25 ohms the current is _______ amperes.

a. 80 
b. 125
c. 120 
d. none of these

amistre64 · Answer

plug and play really

100 = k/20

2000 = k

A = 2000/25

amistre64 · Answer

a is my vote

amistre64 · Answer

80*25 = ummm....carry the one and  cross the i.... 2000