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

2

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

3

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

3

Theory

CH8 - ELECTRICITY

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

2009 Summer

2

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

3

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

2

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

2

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

MCQ

CH1 - MEASUREMENTS AND UNITS

The diagram shows a stone of irregular shape. Which property of the stone can be found by lowering it into a measuring cylinder half-filled with water...

2021 Summer

2

MCQ

CH2 - FORCES AND MOTION

Which row describes speed and velocity? [Table_1]

2021 Summer

MCQ

CH2 - FORCES AND MOTION

Four balls with different masses are dropped from the heights shown. Air resistance may be ignored.Which ball has the smallest average speed?

2021 Summer

MCQ

CH2 - FORCES AND MOTION

An object of mass 2.0 kg is taken from the Earth, where the gravitational field strength is 10 N/kg, to the Moon, where the gravitational field streng...

2021 Summer

MCQ

CH1 - MEASUREMENTS AND UNITS

The mass of an empty flask is 34 g. The volume of liquid added to the flask is $20 \ \text{cm}^3$.The total mass of the flask and the liquid is 50 g.W...

2021 Summer

MCQ

CH2 - FORCES AND MOTION

The extension–load graph for a spring is shown. The unstretched length of the spring is 17.0 cm. When an object is suspended from the spring, the l...

2021 Summer

MCQ

CH2 - FORCES AND MOTION

A cart has a mass of 10 kg. A boy pushes on the cart horizontally with a force of 50 N. The cart accelerates at 0.50 m/s^2.What is the frictional forc...

2021 Summer

1

MCQ

CH2 - FORCES AND MOTION

A ball has a mass of 2.0 kg. The ball approaches a wall at a speed of 3.0 m/s and rebounds at a speed of 1.0 m/s. What is the impulse on the wall?

2021 Summer

MCQ

CH4 - FORCES AND ENERGY

Which situation involves no work being done and no energy being transferred?

2021 Summer

MCQ

CH4 - FORCES AND ENERGY

A student suggests that there are several ways of transferring energy to a small, stationary block of iron on a smooth table. He makes the following s...

2021 Summer