Question

Which of the following is not a use of self healing polymers?

(a) Stitches airplane wings
(b) mends phone screens

(c) useful in surgery
(d) making cooking utensils​

Answer 1

Answer:

Increasing the number of bulbs in a series circuit decreases the brightness of the bulbs. In a series circuit, the voltage is equally distributed among all of the bulbs. Bulbs in parallel are brighter than bulbs in series. In a parallel circuit the voltage for each bulb is the same as the voltage in the circuit.

Explanation: