electric lamp (2)

when the electric lamp connected in parallel with others in the electric circuit, the light intensity......

• decreases

• increases

• doesn`t change

when we connect more than one bulb in series to an electric source the light intensity of the bulbs

• decreases

• increases

• doesn`t change

if we have three light bulb and we need to get high intensity so we must connect them ........

• in series

• in parallel

when we unscrew a bulb from those that are connected in series ,.........

• all lamp will be turned off

• all lamps will still lighting

• the unscrewed lamp only will be turned off

the light bulbs are connected ...........in the house.

• parallel

• series

electric lamp and battery are only required for a simple electric circuit

• true

• false

when we connect light bulbs in series, the lightning of the bulbs decreases when the number of bulbs increases

• true

• false

in parallel, there are no branching routes

• true

• false

in a series electrical circuit, when one light bulb burns out, the other lamps don't turn off

• false

• true

while connecting the lamps in a parallel, the lamps are connected one after another.

• true

• false