Electric Power Notebook Entry/ Practice

Electrical Power Notebook Entry

Directions

Glue the entry into your notebook, take notes using the slides, complete the practice problems- get your notebook stamped, and complete the practice problems!

Practice

Get your notebook stamped!

Show your work

Multiple Choice

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

• 1 Ohm
• 3 Ohms
• 4 Ohms
• 12 Ohms

Multiple Choice

What is current measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

Multiple Choice

What is resistance measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

Multiple Choice

What is Resistance?

• The flow of electrons
• Electric potential difference
• A battery
• The ability to reduce the flow of electrons

Multiple Choice

Electricity that flows in a closed path is called a

• path
• current
• circuit
• light

Multiple Choice

What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?

• 25 V
• 10 V
• 2.5 V
• 0.4 V

Multiple Choice

The mathematical relationship among Voltage, Current, and Resistance

• Faraday's Law
• Tesla's Law
• Edison's Law
• Ohm's Law

Multiple Choice

Current times Resistance equals
 (I X R)

• Power
• Voltage
• Amperage
• Ohm

Multiple Choice

Voltage divided by Resistance

(V / R)

• Current

• Power

• Ohms

• Watts

Multiple Choice

If the Voltage is increased and the resistance stays the same, Current will

• Increase
• Decrease
• Stay the same
• X

Multiple Choice

If the Voltage stays the same and Resistance is increased, Current will 

• Increase
• Decrease
• Stay the same
• X

Multiple Choice

This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?

• 3 Amps
• 192 Amps
• 2 Amps
• 4 Amps

Multiple Choice

What word means how hard it is for electrons to flow through.

• Current
• Voltage
• Resistance
• Power

Multiple Choice

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

• 1 Ohm
• 3 Ohms
• 4 Ohms
• 12 Ohms

Multiple Choice

An alarm clock draws 0.5 A of current when connected to a 120 volt circuit. Calculate its resistance.

• 60Ω

• 120Ω

• 180Ω

• 240Ω

Multiple Choice

A circuit contains a 1.5 volt battery and a bulb with a resistance of 3 ohms. Calculate the current.

• 0.5A

• 1A

• 1.5A

• 2A

Multiple Choice

What current flows through a hair dryer plugged into a 120 Volt circuit if it has a resistance of 25 ohms?

• 2.4A

• 3.6A

• 4.8A

• 6A

Multiple Choice

A light bulb has a resistance of 5 ohms and a maximum current of 10 A. How much voltage can be applied

before the bulb will break?

• 5V

• 10V

• 25V

• 50V

Multiple Choice

According to Ohm's Law, if you were to triple the voltage of a circuit without changing the resistance, what would happen to the flow of current?

• It would stay the same

• It would increase by 2x

• It would increase by 3x

• It would decrease by 3x

Multiple Choice

What is the unit of Electrical Power?

• Joule

• Watt

• Where

• Amp

Multiple Choice

An electric bulb is connected to a 220V generator. The current is 0.50 A. What is the power of the bulb?

• 440 W

• 110 W

• 55 W

• 0.0023 W

Multiple Choice

Calculate the power consumed by a device with a current of 2 amperes and a voltage of 12 volts.

• 6 watts

• 24 watts

• 12 watts

• 48 watts

Multiple Choice

If a device uses 60 watts of power and operates at 12 volts, what is the current flowing through it?

• 5 A

• 7 A

• 3 A

• 10 A

Multiple Choice

This is an example of a _______ circuit

• open
• series
• parallel
• square

Multiple Choice

This is an example of a ______ circuit

• Series
• Parallel
• Open
• Dihexihedral

Multiple Choice

What kind of circuit is this?

• Series
• Consecutive
• Parallel
• Training

Multiple Choice

What kind of circuit is this?

• Series
• Consecutive
• Parallel
• Training

Multiple Choice

What type of circuit is used in your house?

• Light Circuits
• The best circuits
• Series Circuits
• Parallel Circuits

Multiple Choice

What will happen if one light bulb is removed from this circuit?

• The other bulbs will go out.
• The other bulbs will stay on
• The other bulbs will get dimmer.
• The battery will become stronger.