If the bulb marked X burns out A. the other two bulbs become brighter B. none of the bulbs light C. the other two bulbs become dimmer D. the other two bulbs remain the same
d
The thicker the wire, the ____________ the resistance.
lower
What does 1 represent?
lightbulb
When voltage increases, current will....
increase
Technician A says a change in circuit resistance will change the amount of current in the circuit. Technician B says a change in circuit voltage will change the amount of current in the circuit. Who is right?
Both
A only
B only
Neither
If a circuit has a current of 3 A and a resistance of 5 Ω, how much voltage is applied to the circuit?
15V
Technician A says current is the same everywhere in a series circuit. Technician B says current is the same in each branch of a parallel circuit. Who is right?
A only
Both
B only
Neither
What is the term for the rate of flow of charge around a circuit?
current
A 12-volt circuit has a resistance of 2 ohms. How much current is in the circuit?
6 amps
What is the name given to a material that can conduct electricity?
conductor
What does 3 represent?
battery
True or False. The longer the wire, the higher the resistance.
True
When resistance increases, the current will....
decrease
The voltage in a parallel circuit is the (same/different) everywhere in the circuit
same
When a switch is ________________________, current cannot flow through it.
open
What is the unit for current in a circuit?
Amps (A)
Which light bulb will be the brightest?
They will all have the same brightness
True or False? An ammeter is a device that measures resistance of a circuit.
False
What is the name given to a material which can not conduct electricity?
insulator
In a house, when wiring to ensure if one lightbulb breaks, the others will keep using you should use a ______circuit
parallel
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