Question 17
Safia investigates parallel circuits.
She uses a cell, a switch and two identical lamps.
**(c)** Safia closes the switch and the lamps light up.
She adds an identical lamp parallel with the other two lamps.
What happens to the brightness of the lamps?
She uses a cell, a switch and two identical lamps.
**(c)** Safia closes the switch and the lamps light up.
She adds an identical lamp parallel with the other two lamps.
What happens to the brightness of the lamps?
