Question

Three identical lamps are connected in series to each other and to a voltage source. if another identical lamp is added in a series connection (all four connected in series), what happens to the brightness of the first three lamps?

Increases

Decreases

Stays the same

Not enough information

Answer 1

Step-by-step explanation:

If you add more load resistance ( another lamp) to the series circuit, the current flowing through the circuit will be decreased and the brightness of the lamps decreases.