Components in an Electric Circuit

What needs to be done to the circuit so that the bulb lights up?

• Close the switch.

• Add another wire.

• Add another bulb/lamp.

• Add a battery and close the switch.

Which of these circuits produce light?

• closed circuit

• open circuit

• Binary circuit

• short circuit

More batteries make the bulb glow__________.

• dim

• not so bright

• brightly

• none of the above

Too much batteries can make the bulb___.

• bright

• broken

• dim

• busted

Adding more bulbs can make the glow____________.

• glaring

• brighter

• dimmer

• none of the above

It’s hard for the current to flow when the wire is ____________.

• shorter

• scraped

• broken

• longer

Removing the switch and connecting the two wires is making the circuit_________.

• Closed

• open

• broken

• detached

Can a bulb added in a circuit with twisted wires light up?

• No

• Yes

• Maybe

• Not at all

How can a motor spin fast?

• increase the voltage of the battery or add more battery

• decrease the voltage of the battery or take out more battery

• add another load

• none of the above

How can a bulb be made dimmer?

• I. Use a battery with lesser voltage

• II. Add more bulb

• III. Add more battery

• Both I and II