Copy the electric terms listed below into your notebook. Write the water(hydraulic) related term from the column of terms on the right that besttypifies each electric term next to it. For each pair of terms, describe whyyou think they are similar.(a) load (1) pump(b) switch (2) pressure(c) electric current (3) pipe(d) voltage (4) water wheel(e) battery (5) valve(f) conductor (wire) (6) flow rate2. Draw a circuit diagram using symbols. Include a battery, a switch, a lamp,an ammeter, and conducting wires. Add arrows to show the direction ofthe flow of electrons. Describe the function of each part of the circuit.3. Explain how to connect a voltmeter to a circuit to measure the voltageacross a light bulb. Use a sketch to clarify your explanation.4. Apply Predict which current will be greater, the current passing throughan electric iron or the current passing through an electric razor, when eachis plugged into a 120 V outlet. Explain how you made your prediction.5. Thinking Critically If a circuit contains a 12 V battery, a switch, and alight bulb, what is the voltage across the light bulb?278 MHR • Electrical Principles and TechnologiesAn arrow labelled with thesymbol e is often used toindicate the direction ofelectrical charge move-ment in a circuit. In solidconductors, the movingcharges are electrons.+2 34e1Figure 4.14 An electriccircuit is similar in manyways to a water system.T O P I C 2 Review12 34

(a) load (1) pump: The water-related term that best typifies the electric term "load" is "pump." Both the load in an electric circuit and a pump in a water system are responsible for providing the necessary energy to move the respective mediums (electricity or water) through the system.

(b) switch (2) pressure: The water-related term that best typifies the electric term "switch" is "pressure." Just like a switch controls the flow of electricity in a circuit, pressure controls the flow of water in a pipe or system.

(c) electric current (3) pipe: The water-related term that best typifies the electric term "electric current" is "pipe." In an electric circuit, electric current flows through conductors, just like water flows through pipes in a hydraulic system.

(d) voltage (4) water wheel: The water-related term that best typifies the electric term "voltage" is "water wheel." Voltage is the potential difference that drives electric current in a circuit, similar to how a water wheel converts the potential energy of water into mechanical energy.

(e) battery (5) valve: The water-related term that best typifies the electric term "battery" is "valve." A battery is a device that stores and provides electrical energy, similar to how a valve controls the flow of water in a hydraulic system.

(f) conductor (wire) (6) flow rate: The water-related term that best typifies the electric term "conductor" is "flow rate." In an electric circuit, conductors (wires) allow the flow of electric current, just like flow rate determines the rate at which water flows through a pipe.

2. Unfortunately, I am unable to draw a circuit diagram using symbols as I am a text-based AI assistant. However, I can describe the function of each part of the circuit you mentioned:

• Battery: Provides the electrical energy for the circuit.
• Switch: Controls the flow of electricity in the circuit.
• Lamp: Converts electrical energy into light.
• Ammeter: Measures the current flowing through the circuit.
• Conducting wires: Allow the flow of electric current between the components of the circuit.

3. To connect a voltmeter to a circuit to measure the voltage across a light bulb, you would need to connect the voltmeter in parallel with the light bulb. This means connecting the positive terminal of the voltmeter to one side of the light bulb and the negative terminal of the voltmeter to the other side of the light bulb. The voltmeter will then measure the potential difference (voltage) across the light bulb.

4. It is difficult to predict which current will be greater without knowing the specific power requirements of the electric iron and electric razor. However, generally speaking, an electric iron typically requires more power (wattage) than an electric razor. Therefore, it is likely that the current passing through an electric iron would be greater when both are plugged into a 120 V outlet.

5. If a circuit contains a 12 V battery, the voltage across the light bulb would also be 12 V. In a series circuit, the voltage is shared among the components, so the voltage across each component is the same as the voltage of the battery.