Physics - Electricity Practice Test

What is current electricity?

• the flow of electrons from one place to another

• a closed path of conducting material

• a device to measure amperes

• the charge on 6.25 x 10¹⁸ electrons

What is a circuit?

• the flow of electrons from one place to another

• a closed path of conducting material

• a device to measure amperes

• the charge on 6.25 x 10¹⁸ electrons

Which of the following are components of a typical circuit?

• power source

• conducting wires

• load

• nucleus

• resistor

What's the word for the amount of charge that passes through a single point in a circuit every second?

• electron

• power

• resistance

• voltage

• current

What's the symbol for current?

What's the symbol for charge?

How much current passes through a circuit with a charge of 15 C in 3 seconds?

How long does it take for 60 C of charge to generate a current of 10 amps?

• 600 seconds

• 6 seconds

• 1/6 second

Which of the following is true about batteries?

• They lift charges to a higher potential

• They separate negative charges from positive charges

• They store electric potential energy

• They measure the potential difference in volts

• They move around the circuit

What's the word for the difference between the energy of electrons at different points in a circuit?

• potential energy

• potential difference

• potent difference

• power difference