Electricity and Energy

QUESTION 1

A car headlamp is rated at 55W.The light produced is

QUESTION 2

A crate of mass 200kg is pushed 20m across a

An engine applies a force of 2000N to move a lorry

An arrow of mass 150g is fired from a bow as

A power station has an efficiency of 40%.
The input power

A person using the exercise bike below, pedals against 300N of

An electric motor raises a crate of mass 500kg through a

A ski lift with a gondola of mass 2000kg travels to

The speed-time graph below shows the motion of a 700kg car.
a)

The graph below shows the speed-time graph of a 0.50kg object

A 0.02kg mass detaches from a thread before the vehicle is

A child of mass 50kg is playing on a water slide

The voltage of an electrical supply is a measure of the

QUESTION

Which of the following statements are true about electrical conductors

QUESTION 14

A charge of 15C passes through a resistor in 12s. The

A rechargeable battery is labelled 2600mAh.
Calculate the charge stored in the

The current in an 8Ω resistor is 2A.
Calculate the charge passing

Identify the circuit symbols X,Y and Z.

QUESTION 18

The mains voltage in the UK is 230V ac.
Which row in

A student has two electrical power supplies.
One is an ac

A circuit is set up as shown below.
Which switch or switches

Which of the following statements that an LHS Physics student made

QUESTION 23

A student is given a task of combining three resistors

Which circuit below is used to find the resistance of Resistor

In the circuit below the resistance of the variable resistor is

Calculate the potential difference across the 2Ω resistor in the circuit

Calculate the following from the circuit below:
a) Current through the resistor.
b)

In the circuit below the current in the lamp is 1.5A

Calculate the total resistance between X and Y in the network

Calculate the following in the circuit below:
a) Total resistance between Y

QUESTION 31

Calculate the following from the circuit below:
a) Total resistance in

Calculate or find the following from the rating plate of an

The graph below shows the temperature of a substance over a

The specific latent heat of fusion of a substance is the

100g of solid is heated by a 50W heater.
Calculate the specific

A block of ice of mass 1.5kg is placed in a

A sample of water at a temperature of 100°C absorbs 23,000J

A fridge/freezer has water and ice dispensers.
0.15kg of water flows into

QUESTION 39

From the experiment and the data obtained above, calculate or find:
Specific

On the planet Mercury the surface temperature at night is -173°C

A rectangular block of wood of mass 2000g has dimensions of

The air pressure inside a passenger cabin of an aircraft is

Which of the following statements that an LHS Physics student wrote

A liquid is heated from 16°C to 40°C.
What is the temperature

Which of the following graphs illustrates the correct relationship between the

A student uses the apparatus shown below to investigate the relationship

On a cold morning at 2°C the pressure of a car

A balloon with a volume of 6.0m3 contains a fixed mass

Oxygen is held inside a cylinder at a pressure of 2.82x106Pa

The apparatus below was used to investigate the relationship between the

A student investigates the relationship between the volume and the temperature

Which row in the table shows the symbols for an LED

Which of the following devices converts heat energy into electrical energy?

QUESTION

In the voltage divider circuit below an LED is connected in

A light sensor circuit contains a LDR and a resistor as

The circuit below charges a rechargeable battery during daylight hours.
a) State

Answer the following questions using the circuit below and the table

Answer the following questions from the circuit below.
a) Name component X.
b)Explain

Answer the following questions using the circuit below.
a) Name the

Answer the following question using the circuit below.
a) Calculate the voltage

Answer the following questions from the circuit below.
a) What happens to