A Level Electricity

What is the formula for electric current as the rate of flow of charge?

How is resistance defined in terms of voltage and current?

• R = VI

What is the formula for resistivity?

In a series circuit, how is the total resistance calculated?

• R_t = R_1 + R_2 + R_3 + \ldots

• R_t = R_1 \times R_2 \times R_3 \times \ldots

What is the energy equation in terms of current, voltage, and time?

• E = IVt

What is the component used to measure electrical current, ideally having zero resistance?

• Diode

• Ammeter

• Coulomb

• Light Dependent Resistor (LDR)

What is the SI unit of electrical charge?

• Ampere

• Volt

• Coulomb

• Ohm

What is the rate of flow of electrical charge called?

• Voltage

• Current

• Resistance

• Power

What is the term for the work done per unit charge moving around a circuit?

• Potential Difference

• Electromotive Force (emf)

• Current

• Resistance

What happens to the resistance of a Light Dependent Resistor (LDR) as light intensity increases?

• It increases

• It decreases

• It remains the same

• It fluctuates