AQA GCSE Physics Unit 2.4

1

Which generator is used to generate high potential differences using static electricity?

1

What makes a Perspex rod become positively charged?

1

What makes a polythene rod become negatively charged?

1

What is this the circuit symbol for?

1

What is this the circuit symbol for?

1

True or false? Current can be defined as the rate of the flow of charge (coulombs per second).

1

True or false? Potential difference can be defined as the work done by each unit of charge (joules per coulomb).

1

What is the SI unit of resistance?

1

True or false? The equation connecting current, resistance and potential difference is R = VI.

1

What is an ohmic conductor?

1

For which electrical component would this current-potential difference graph apply?

1

For which electrical component would this current-potential difference graph apply?

1

True or false? The resistance of a thermistor decreases as temperature increases.

1

True or false? The resistance of a light-dependent resistor increases as light intensity increases.

1

True or false? In a series circuit, the same current passes through all components.

1

True or false? In a series circuit, the potential difference across each component is the same.

1

If there were two resistors in series, each with a resistance of 0.6Ω, what would be the total resistance?

1

True or false? In a parallel circuit, the total current is shared through the components.

1

True or false? In a parallel circuit, the potential difference is shared across the components.

1

If there were two resistors in parallel, each with a resistance of 0.6Ω, what would be the resistance in any one "loop" of the circuit?

Twenty questions on the fourth section of Unit 2 in AQA GCSE Physics: Current electricity.

AQA GCSE Physics Unit 2.4

Which generator is used to generate high potential differences using static electricity?

What makes a Perspex rod become positively charged?

What makes a polythene rod become negatively charged?

What is this the circuit symbol for?

What is this the circuit symbol for?

True or false? Current can be defined as the rate of the flow of charge (coulombs per second).

True or false? Potential difference can be defined as the work done by each unit of charge (joules per coulomb).

What is the SI unit of resistance?

True or false? The equation connecting current, resistance and potential difference is R = VI.

What is an ohmic conductor?

For which electrical component would this current-potential difference graph apply?

For which electrical component would this current-potential difference graph apply?

True or false? The resistance of a thermistor decreases as temperature increases.

True or false? The resistance of a light-dependent resistor increases as light intensity increases.

True or false? In a series circuit, the same current passes through all components.

True or false? In a series circuit, the potential difference across each component is the same.

If there were two resistors in series, each with a resistance of 0.6Ω, what would be the total resistance?

True or false? In a parallel circuit, the total current is shared through the components.

True or false? In a parallel circuit, the potential difference is shared across the components.

If there were two resistors in parallel, each with a resistance of 0.6Ω, what would be the resistance in any one "loop" of the circuit?