The circuit below contains three 100-W light bulbs. The emf = 110 V. Which light bulb(s) is(are) brightest?

a.
A
b.
B
c.
C
d.
B and C
e.
All three are equally bright.
Question 2What is the equivalent resistance between points A and B in the figure when R = 10 ?

a.
20
b.
10
c.
25
d.
15
e.
3.2