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Electricity Test Review
Quiz by Josae Neptune
HS Physical Science
Science
North Carolina Standard Course of Study
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7 questions
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- Q1How could the strength of an electromagnet be increased?by reducing the length of the core of the electromagnetby decreasing the amount of current in the electromagnetby using rubber material as the core for the electromagnetby increasing the number of coils in the wires of the electromagnet300sPSc.3.3.5
- Q2The circuit diagrams show four different arrangements of components. In which circuit will both bulbs shine brightly?A parallel circuit with multiple lightbulbsA series circuit with multiple light bulbs300sPSc.3.3.2
- Q3How 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.300sPSc.3.3.3
- Q4The concept of electromagnetic induction can be used to explain the operation of awire.lightbulb.transformer.resistor.300sPSc.3.3.5
- Q5A 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.300sPSc.3.3.1
- Q6A circuit has 3 amps of current and a resistance of 2 ohms. What is the voltage of the circuit?1.5 Volts6 Volts0.66 Volts1 Volt300sPSc.3.3.2
- Q7A 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 Watts13.5 Watts7.5 Watts6 Watts300sPSc.3.3.2