It goes on one line then goes back from the 3 lamps Which of the following equipment is needed to create a parallel circuit
with 4 battery cells, 4 bulbs and a switch. Explain which equipment is
needed and draw the circuit diagram showing an open switch,
batuer holders with​

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.