# Electricity Test Review

## Quiz by Josae Neptune

HS Physical Science
Science
North Carolina Standard Course of Study

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7 questions
• Q1
How could the strength of an electromagnet be increased?
by reducing the length of the core of the electromagnet
by decreasing the amount of current in the electromagnet
by using rubber material as the core for the electromagnet
by increasing the number of coils in the wires of the electromagnet
300s
PSc.3.3.5
• Q2
The circuit diagrams show four different arrangements of components. In which circuit will both bulbs shine brightly?
A parallel circuit with multiple lightbulbs
A series circuit with multiple light bulbs
300s
PSc.3.3.2
• Q3
How would decreasing the diameter of the wires in a circuit influence the resistance and flow of electrons in the circuit?
It would increase the resistance by allowing more electrons to flow through the circuit.
It would decrease the resistance by allowing more electrons to flow through the circuit.
It would increase the resistance, causing fewer electrons to flow through the circuit.
It would decrease the resistance, causing fewer electrons to flow through the circuit.
300s
PSc.3.3.3
• Q4
The concept of electromagnetic induction can be used to explain the operation of a
wire.
lightbulb.
transformer.
resistor.
300s
PSc.3.3.5
• Q5
A plastic rod is rubbed with a piece of wool and the plastic rod becomes negatively charged. A glass rod is rubbed with a piece of silk and the glass rod becomes positively charges. A charged object is placed near the plastic rod, and an attractive force is detected. How will the object react when near the glass rod?
A repulsive force will occur.
An electric discharge will occur.
A neutralization will occur.
An attractive force will occur.
300s
PSc.3.3.1
• Q6
A circuit has 3 amps of current and a resistance of 2 ohms. What is the voltage of the circuit?
1.5 Volts
6 Volts
0.66 Volts
1 Volt
300s
PSc.3.3.2
• Q7
A flashlight bulb connected to a 9 Volt battery draws a current of 1.5 amps. What is the power used by the flashlight bulb?
0.16 Watts
13.5 Watts
7.5 Watts
6 Watts
300s
PSc.3.3.2

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