Question

Which of the following are correct statements about the bulbs in the circuits above if all the bulbs and cells are identical?
I. Bulb R is the brightest.

II. Initially, all the bulbs will have the ame
brightness.

III. All the bulbs will light up for the same
period of time.

IV. Bulb P will light up for a longer period
of time than bulb Q and bulb R.

(A) I and III
(B) II and III
(C) I and IV
(D) II and IV​

Answer 1

Answer:

II & III

Explanation:

all the bulbs will light up for the same period of time.

initially, all the bulbs will have the same brightness