Electricity unit review

What is the primary function of a fuse in an electrical circuit?

Which component in a circuit is responsible for producing light?

What does a voltmeter measure in an electrical circuit?

What is the role of a resistor in an electrical circuit?

Which of the following correctly describes an open switch in a circuit?

What happens to an object that loses electrons when rubbed with another neutral object?

In which type of circuit do all components stop working if one component fails?

What is the role of a conductor in terms of electron flow?

What type of current flows in one direction only?

How is voltage measured in an electrical system?

What voltage is required for a coffee grinder with a resistance of 85.0 Ω and a current of 1.41 A?

Calculate the current drawn by an electric clothes dryer that is connected to a 230 V source and has a resistance of 9.2 Ω.

What is the resistance of a device if a voltage of 110 V causes a current of 10 A?

Given a portable radio using a 9.0 V battery that draws a current of 0.025 A, what is the resistance of the radio?

How much voltage drop occurs across an electrical load with a resistance of 4.0 Ω where a current of 3.0 A flows?

What does the term 'Ohm' represent in electrical terminology?

Which of the following materials has the strongest tendency to gain electrons?

What is a basic requirement for a functioning electrical circuit?

When wool is rubbed on a balloon, what happens to the charges?

If hair is rubbed against rabbit fur, what is the resulting charge on each?

What is the voltage across resistor 2 in the first circuit with a 9.0V voltage source and a voltage drop of 3.0V across resistor 1?

In the first circuit, what is the current through resistor 2 if 2.0A is flowing through the circuit?

For the second circuit with a 9.0V source, if the current before resistor 2 is 3.0A and it splits with 1.0A going through another resistor, what is the current through resistor 2?

What is the total voltage drop in the second circuit if the voltage source is 9.0V and two different currents are present?

If the voltage across resistor 2 in the second circuit needs to be calculated after knowing the total voltage and the voltages across other resistors, which calculation is appropriate?

Which components should be included in a circuit diagram for a circuit consisting of a 2-cell battery, light bulb, and a motor?

In a circuit with a 1-cell battery, open switch, resistor, and ammeter, what is the correct order of components?

What additional component is necessary in a circuit that includes a 2-cell battery, open switch, fuse, motor, and ground wire?

What is the total voltage supplied in a circuit with a 3-cell battery that also includes a closed switch, clock, and two light bulbs?

In a circuit diagram that includes a 2-cell battery, an open switch, a resistor, and an ammeter, what would be the typical output if the switch is closed?

What is a key advantage of geothermal energy?

Which disadvantage is common to both geothermal and nuclear energy?

Which of the following is an advantage unique to tidal energy?

What is a major disadvantage of fossil fuels?

How does nuclear energy primarily compare to geothermal energy in terms of carbon emissions?

What is one significant disadvantage of hydroelectric power?

Which of the following statements about solar energy is true?

What is a unique advantage of wind power?

What is a common disadvantage of biomass energy?

What is a major requirement for wind power generation?