Four identical electrical lamps are labelled 1 5V 0 5A which

Last updated: 6/8/2023

Four identical electrical lamps are labelled 1 5V 0 5A which describes the condition necessary for them to operate at normal brightness A 12V battery of negligible internal resistance is connected to lamps as shown then 10 e R The value of R for normal brightness of each lamp is 3 4 W The value of R for normal brightness of each lamp is 21 4 w Total power dissipated in circuit when all lamps are normally bright is 24W Power dissipated in R is 21W when all lamps are normally bright