CIRCUIT
If the switch is off, the circuit is ________ (open or closed).
Open
If you add another battery in a series ciruit, what will happen to the bulb? (Brighter, Dimmer or Same brightness)
Brighter
What happens to the total resistance of parallel circuit if more loads are added?
Decreases
What type of circuit do water heater use?
Series Circuit
What are the 4 components of a circuit?
Voltage source, conducting wires, load, switch
Two bulbs are connect in series. If bulb 1 has a current of 10A, what is the expected currrent of bulb 2?
10A
Two bulbs are connect in parallel. If bulb 1 has a voltage of 2V, what is the expected voltage of bulb 2?
2V
What do circuit breakers have that breaks the circuit when it exceeds the maximum current?
Electromagnet
Electrical load converts __________ energy to other forms of energy.
Electrical Energy
If 3 bulbs with resistance of 5 Ohms each are connected in series with a voltage source of 20V, what is the total resistance?
15 Ohms
Three bulbs are connected in parallel with 5A current each. What is the total current?
15A
What device is used to allow current in 1 direction only?
Diode
From what side (terminal) of the battery do electrons move from?
Negative
Three bulbs are connected in series each with a voltage of 2V, 4V and 6V, respectively. What is the total voltage?
12V
If 2 bulbs with a total resistance of 30 Ohms are connected in parallel with a total current of 2A, what is the total voltage?
60 Ohms
Fuses use a resistance wire with a ______ melting point.
Low
What type of circuit should you assemble if you want to use thin wires only?
Series Circuit
If 3 bulbs with resistance of 10 Ohms each are connected in series with a voltage source of 90V, what is the total current?
3A
If 2 bulbs with resistance of 2 Ohms each are connected in parallel with a voltage source of 2V, what is the total resistance?
1 Ohm
Earth wires are put in so that __________ can be avoided when people come into contact with an active wire.
Electric shock