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

3

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

4

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

3

MCQ

CH1 - MEASUREMENTS AND UNITS

A length of cotton is measured between two points on a ruler. When the length of cotton is wound closely around a pen, it goes round six times.What is...

2018 Summer

1

MCQ

CH2 - FORCES AND MOTION

When does an object falling vertically through the air reach terminal velocity?

2018 Summer

1

MCQ

CH2 - FORCES AND MOTION

A car is moving along a straight, level road, with a constant acceleration. Which graph shows the motion of the car?

2018 Summer

1

MCQ

CH2 - FORCES AND MOTION

Diagram 1 shows a beam balance. A beaker with a wire loop balances the standard masses.The beaker is then removed and hung from a spring. The spring e...

2018 Summer

1

MCQ

CH2 - FORCES AND MOTION

An object always has mass but does not always have weight.What must be present and acting on the mass for it to have weight?

2018 Summer

1

MCQ

CH2 - FORCES AND MOTION

A force acting on a moving ball causes its motion to change. This force stays constant.What makes the force produce a greater change in the motion of ...

2018 Summer

1

MCQ

CH3 - FORCES AND PRESSURE

A balloon and a mass are attached to a rod that is pivoted at P.The balloon is filled with helium, a gas less dense than air, so that it applies an up...

2018 Summer

1

MCQ

CH2 - FORCES AND MOTION

A car is moving in a straight line on a level road. Its engine provides a forward force on the car. A second force of equal size acts on the car due t...

2018 Summer

1

MCQ

CH2 - FORCES AND MOTION

Which expression gives the momentum of an object?

2018 Summer

2

MCQ

CH4 - FORCES AND ENERGY

As energy is transferred into different forms, it eventually becomes dissipated. What does this mean?

2018 Summer

1