9) In the circuit shown in the figure, the resistor R has a variable resistance. As R is decreased, what happens to the currents?
A) I1 decreases and I2 decreases.
B) I1 remains unchanged and I2 increases.
C) I1 decreases and I2 increases.
D) I1 increases and I2 increases.
E) I1 increases and I2 decreases.
10) An electronic component with a 12-Ω resistor is rated for use at power levels not exceeding 14 W. How much current can safely flow through the component?
A) 0.31 A
B) 1.68 A
C) 0.86 A
D) 1.08 A