Theory

CH8 - ELECTRICITY

Which particle does not experience a force due to an electric field?A. \( \alpha \)-particleB. electronC. neutronD. proton

2009 Summer

Theory

CH8 - ELECTRICITY

Using the circuit shown, the current $I$ is found for various voltages $V$. The temperature of the resistor does not change. [Image_1: Circuit Diagram...

2009 Summer

Theory

CH8 - ELECTRICITY

In the circuit shown, ammeter X reads 0.5A. What does ammeter Y read? A. 0 B. 0.5A C. 3.5A D. 4.0A

2009 Summer

Theory

CH8 - ELECTRICITY

In the circuits shown, all the resistors are identical. Which circuit has the least resistance?

2009 Summer

Theory

CH8 - ELECTRICITY

In the circuit below, one of the lamps breaks, causing all the other lamps to go out. Which lamp breaks?

2009 Summer

Theory

CH8 - ELECTRICITY

Either a fuse or a circuit-breaker can be used to protect electrical cables from large currents that could cause overheating.If a fuse is used, in whi...

2009 Summer

Theory

CH8 - ELECTRICITY

The current in a lamp at full brightness is 0.25 A. The flexible cable to the lamp is designed for currents up to 5.0 A, so it can safely carry the 0....

2009 Summer

Theory

CH8 - ELECTRICITY

(a) Fig. 9.1 shows an a.c. supply connected in series to a diode and a resistor.[Image_1: Diagram of Fig. 9.1 with a.c. supply, diode, and resistor]On...

2009 Summer

Theory

CH8 - ELECTRICITY

The circuit shown in Fig. 10.1 uses a 12V battery. (a) Switch S is open, as shown in Fig. 10.1. State the value of (i) the reading on the ammeter...

2009 Summer

Theory

CH8 - ELECTRICITY

A pupil measures the potential difference across a device and the current in it.Which calculation gives the resistance of the device?A current + pote...

2009 Winter

Theory

CH1 - MEASUREMENTS AND UNITS

The diagrams show the readings on a measuring cylinder before and after a small metal cube is added.How many more identical cubes can be added to the ...

2013 Summer

Theory

CH2 - FORCES AND MOTION

Which person is experiencing an acceleration?A. a driver of a car that is braking to stop at traffic lightsB. a passenger in a train that is stationar...

2013 Summer

Theory

CH2 - FORCES AND MOTION

A car travels at various speeds during a short journey. The table shows the distances travelled and the times taken during each of four stages P, Q, R...

2013 Summer

Theory

CH2 - FORCES AND MOTION

Two blocks of metal X and Y hang from spring balances, as shown in the diagrams. What does the diagram show about X and Y? A They have the same mas...

2013 Summer

Theory

CH2 - FORCES AND MOTION

A 1 kg sample of aluminium is stored in a laboratory. In a different laboratory, in the same town, there is a 1 kg sample of iron.Which quantity must ...

2013 Summer

Theory

CH1 - MEASUREMENTS AND UNITS

A measuring cylinder has a mass of 120g when empty.When it contains 50cm3 of a liquid, the total mass of the measuring cylinder and the liquid is 160g...

2013 Summer

Theory

CH2 - FORCES AND MOTION

A car moves along a level road.The diagram shows all of the horizontal forces acting on the car.Which statement is correct?A. The car is slowing down....

2013 Summer

Theory

CH3 - FORCES AND PRESSURE

The diagram shows a force being applied to a lever to lift a heavy weight. Which change would enable the heavy weight to be lifted with a smaller forc...

2013 Summer

Theory

CH4 - FORCES AND ENERGY

The diagram shows a hydroelectric system. What are the main energy changes taking place?A. chemical energy \(\rightarrow\) kinetic energy \(\rightarro...

2013 Summer

Theory

CH4 - FORCES AND ENERGY

An escalator (moving stairs) and a lift (elevator) are both used to carry passengers from the same underground railway platform up to street level.The...

2013 Summer