Electricity

What quantity describes the rate of flow of charges or the total amount of charges moving past a point in a conductor?

• Voltage

• Electric Current

• Electric Resistance

• Electrical Power

Also known as 'electric potential difference', what quantity describes electrical potential energy per coulomb of charge in a circuit?

• Voltage

• Electric Current

• Electric Resistance

• Electrical Power

What quantity describes the opposition to the flow of electrons in an electrical circuit?

• Voltage

• Electric Current

• Electric Resistance

• Electrical Power

Which quantity describes the measure of the rate of delivery of electrical energy, or the rate of work done by an electrical component?

• Voltage

• Electric Current

• Electric Resistance

• Electrical Power

What is the SI unit of voltage?

• amperes

• ohm

• volt

• watt

It is the number of charges passing through a wire per unit time.

• current

• power

• resistance

• voltage

What is the SI unit of current?

• ampere (A)

• ohm (Ω)

• volt (V)

• watt (W)

It is the opposition to the flow of electric charges as they travel through a conducting wire

• circuit

• current

• resistance

• voltage

What is the SI unit of resistance?

• ampere (A)

• ohm (Ω)

• volt (V)

• watt (W)

Which of the following is the correct statement of Ohm's Law?

• When current increases in a circuit, voltage increases and resistsnce increases.

• When current increases in a voltage decreases and resistance increases.

• When current increases in a circuit, voltage increases while resistance remain constant.

• When current decreases in a circuit, voltage decreases and resistance increases.