Problem 10 (3 pts)
If for the combination of capacitors shown in the figure
C? < C? = C? < C?, the equivalent capacitance is
A. less than C?.
B. more than C?.
C. between C? and C?.
D. It depends on the relative values of the four
capacitances whether answer A, B, or C is
correct.
E. always zero.
F. None of the above.
Problem 11 (3 pts)
What happens to the voltage across the resistor R?
when the switch S is closed? The voltage will
A. increase.
B. decrease.
C. stay the same.
D. depend on the ratio of the individual
resistances.
Problem 12 (3 pts)
The direction of the magnetic force on a positive charge
moving with velocity \(\vec{v}\) is
A. to the right.
B. to the left.
C. into the page.
D. out of the page.
E. The magnetic force is zero.
