in a circuit all the switches are on if one bulb is not working the remaining three bulbs will glow which bulb is that
a) B1
b)B2
c)B3
d)B4
e)B5
Answers
Answered by
0
Step-by-step explanation:
Three bulbs B1, B2 and B3 are connected to the mains as shown in the figure. If B3 is disconnected from the circuit by opening switch S , than incandescence
Similar questions