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

Which term represents a physical quantity?

2022 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which two units are identical when expressed in terms of SI base units?

2022 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

A value for the acceleration of free fall on Earth is given as $(10 \pm 2) \text{ m s}^{-2}$.Which statement is correct?

2022 Summer

MCQ

CH3 - KINEMATICS

Two cables are attached to a bracket and exert forces as shown. What are the magnitudes of the horizontal and vertical components of the resultant ...

2022 Summer

MCQ

CH3 - KINEMATICS

The curved line PQR is the velocity–time graph for a car starting from rest. What is the average acceleration of the car over the first 5 s?

2022 Summer

MCQ

CH3 - KINEMATICS

A ball is thrown horizontally with a speed of 10.0 \text{ ms}^{-1} above horizontal ground. The ball hits the ground after a time of 3.0 s. Air resis...

2022 Summer

MCQ

CH3 - KINEMATICS

An object is moving along the ground in a straight line at a constant speed. Which statement about the resultant force acting on the object is correct...

2022 Summer

MCQ

CH5 - FORCES, DENSITY & PRESSURE

Water flows out of a pipe and hits a wall. When the jet of water hits the wall, it has horizontal velocity $v$ and cross-sectional area $A$. The d...

2022 Summer

MCQ

CH5 - FORCES, DENSITY & PRESSURE

A projectile is launched at an angle above horizontal ground and travels through the air. The projectile reaches its maximum height at position X. ...

2022 Summer

MCQ

CH5 - FORCES, DENSITY & PRESSURE

What is a statement of the principle of conservation of momentum?

2022 Summer