Theory

CH8 - ELECTRICITY

(a) A coil of wire is connected into a circuit containing a variable resistor and a battery. The variable resistor is adjusted until the potential dif...

2010 Summer

1

Theory

CH8 - ELECTRICITY

(a) In Fig. 10.1, A is a 1000Ω resistor, C is a transistor, and D is a lamp. S is a 9V supply. (i) Name the component labelle...

2011 Winter

2

Theory

CH8 - ELECTRICITY

The graphs in Fig. 9.1 show the relation between the current $I$ and the potential difference $V$ for a resistor and a lamp.(a) (i) Describe how, if a...

2011 Winter

2

Theory

CH8 - ELECTRICITY

Which symbols are used for the units of current and of resistance?[Table_1]unit of current | unit of resistanceA | A | WB | A | \(\Omega\)C | C | WD |...

2011 Winter

2

Theory

CH8 - ELECTRICITY

The diagrams show four arrangements of resistors.Which arrangement has the smallest total resistance?A: [Image_A with 4Ω icon]B: [Image_B with 2Ω an...

2011 Winter

2

Theory

CH8 - ELECTRICITY

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

2009 Summer

1

Theory

CH8 - ELECTRICITY

The diagram shows an electric circuit containing three meters, X, Y and Z, all connected correctly. What are meters X, Y and Z?[Table_1]XYZAammeteramm...

2011 Winter

2

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

1

Theory

CH8 - ELECTRICITY

A potential difference (p.d.) across a resistor causes a current in it. [Image_1: Diagram of resistor with arrow indicating current and p.d.]The p.d. ...

2010 Winter

1

Theory

CH8 - ELECTRICITY

The diagram shows a potential divider circuit with two identical lamps L1 and L2.The contact K is halfway between X and Y and the lamps are equally br...

2011 Winter

2

Theory

CH1 - MEASUREMENTS AND UNITS

A cylindrical can is rolled along the ruler shown in the diagram.The can rolls over twice.What is the circumference (distance all round) of the can?A ...

2012 Summer

2

Theory

CH2 - FORCES AND MOTION

A car is moving downhill along a road at a constant speed. Which graph is the speed/time graph for the car?

2012 Summer

1

Theory

CH2 - FORCES AND MOTION

In a race, a car travels 60 times around a 3.6 km track. This takes 2.4 hours.What is the average speed of the car?A 1.5 km/h B 90 km/h C 144 km/h D 2...

2012 Summer

2

Theory

CH3 - FORCES AND PRESSURE

Which quantity is measured in newtons? A) density B) energy C) pressure D) weight

2012 Summer

1

Theory

CH3 - FORCES AND PRESSURE

A geologist places a small rock on the left-hand pan of a balance. The two pans are level as shown when masses with a total weight of 23 N are placed ...

2012 Summer

2

Theory

CH1 - MEASUREMENTS AND UNITS

A stone has a volume of 0.50 cm3 and a mass of 2.0 g.What is the density of the stone?A. 0.25 g/cm3B. 1.5 g/cm3C. 2.5 g/cm3D. 4.0 g/cm3

2012 Summer

1

Theory

CH2 - FORCES AND MOTION

Passengers are not allowed to stand on the upper deck of double-decker buses.upper decklower deckWhy is this?A. They would cause the bus to become les...

2012 Summer

1

Theory

CH3 - FORCES AND PRESSURE

The diagram shows a handle with three forces, each 100 N, applied to it. The handle is free to move.What is the effect of the forces on the handle?A T...

2012 Summer

1

Theory

CH4 - FORCES AND ENERGY

In which pair of energy sources are both sources renewable?A. oil and coalB. oil and tidalC. tidal and geothermalD. tidal and nuclear fission

2012 Summer

Theory

CH4 - FORCES AND ENERGY

An object on a thread is swinging between X and Z, as shown in the diagram. It is momentarily at rest at X and at Z.An incomplete word equation about ...

2012 Summer

1