Question 36
An electric circuit compose of four same light bulbs (A, B, C, D), three same batteries (a, b, c) and four switches (d, e, f, g) as shown in figure below.
(a). If from the beginning switch d is closed, which bulb will be the brightest light.
(b). If from the beginning switch f is closed, which bulb will be the brightest light.
(c). If from the beginning switch d, e, and f are closed together, which bulb will be the brightest light.
(a). If from the beginning switch d is closed, which bulb will be the brightest light.
(b). If from the beginning switch f is closed, which bulb will be the brightest light.
(c). If from the beginning switch d, e, and f are closed together, which bulb will be the brightest light.