Theory

CH18 - CAPACITANCE

A solid metal sphere, of radius $r$, is insulated from its surroundings. The sphere has charge +$Q$. This charge is on the surface of the sphere but i...

2009 Summer

Theory

CH18 - CAPACITANCE

(a) Define capacitance...................................................................................................................................

2009 Winter

Theory

CH18 - CAPACITANCE

(a) State two functions of capacitors in electrical circuits.1. ..............................................................2. ........................

2010 Summer

Theory

CH18 - CAPACITANCE

(a) State two functions of capacitors in electrical circuits.1. .............................................................2. .........................

2010 Summer

Theory

CH18 - CAPACITANCE

(a) Define capacitance. ................................................................................................................................

2010 Winter

Theory

CH18 - CAPACITANCE

(a) Define capacitance...................................................................................................................................

2010 Winter

Theory

CH18 - CAPACITANCE

(a) (i) State what is meant by \textit{electric potential} at a point....................................................................................

2010 Winter

Theory

CH18 - CAPACITANCE

A capacitor consists of two metal plates separated by an insulator, as shown in Fig. 3.1.The potential difference between the plates is $V$. The varia...

2011 Summer

Theory

CH18 - CAPACITANCE

A capacitor consists of two metal plates separated by an insulator, as shown in Fig. 3.1.The potential difference between the plates is $V$. The varia...

2011 Summer

Theory

CH18 - CAPACITANCE

(a) State two functions of capacitors in electrical circuits.1. .........................................................................................

2011 Winter

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

What is a reasonable estimate of the mass of a raindrop?

2020 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

Which quantity is a scalar?

2020 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

A galvanometer of resistance 5\(\Omega\) is to be used in a null method.In order to protect the galvanometer from damage due to an excessive initial c...

2020 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

Readings are made of the current $I$ for different voltages $V$ across a fixed resistor. The results are plotted on a graph to show the variation of $...

2020 Summer

MCQ

CH3 - KINEMATICS

A stone is dropped from a height of 20 m above water. The graph shows the variation with time of the velocity of the stone. Which statement describ...

2020 Summer

MCQ

CH3 - KINEMATICS

A car X is travelling at a constant speed $u$ along a straight road. At time $t = 0$ a second car Y is a distance $d_0$ behind car X and travelling at...

2020 Summer

MCQ

CH4 - DYNAMICS

The resultant force acting on an object is slowly increased. Which graph could show the variation with time $t$ of the momentum $p$ of the object?&nb...

2020 Summer

MCQ

CH4 - DYNAMICS

An astronaut has a weight of 660 N when she is standing on the Earth's surface. The acceleration of free fall on the surface of Mars is $3.71 \, \tex...

2020 Summer

MCQ

CH4 - DYNAMICS

A mass $m_1$ travelling with speed $u_1$ collides with a mass $m_2$ travelling with speed $u_2$ in the same direction. After the collision, mass $m_1$...

2020 Summer

MCQ

CH4 - DYNAMICS

The diagrams show a negative electric charge situated in a uniform electric field and a mass situated in a uniform gravitational field. Which row s...

2020 Summer