Theory

CH17 - ELECTRIC FIELDS

Two vertical parallel metal plates are situated 2.50 cm apart in a vacuum. The potential difference between the plates is 350V, as shown in Fig. 6.1.A...

2009 Summer

MCQ

CH17 - ELECTRIC FIELDS

A small charge $q$ is placed in the electric field of a large charge $Q$. Both charges experience a force $F$. What is the electric field strength o...

2009 Winter

MCQ

CH17 - ELECTRIC FIELDS

The diagram shows two parallel horizontal metal plates held at a potential difference \( V \). A small charged liquid drop, midway between the plat...

2009 Winter

MCQ

CH17 - ELECTRIC FIELDS

The electric field at a certain distance from an isolated alpha particle is $3.0 \times 10^{7} \text{NC}^{-1}$. What is the force on an electron when...

2009 Winter

Theory

CH17 - ELECTRIC FIELDS

(a) Define electric potential at a point. ..............................................................................................................

2009 Winter

MCQ

CH17 - ELECTRIC FIELDS

Which row describes the circumstances under which forces act on a charged particle in a uniform electric field?  

2010 Summer

MCQ

CH17 - ELECTRIC FIELDS

The diagram shows two points P and Q which lie, 90\(^\circ\) apart, on a circle of radius \(r\). A positive point charge at the centre of the circle ...

2010 Summer

MCQ

CH17 - ELECTRIC FIELDS

Two oppositely-charged parallel plates are arranged as shown. An electron is released from rest from the surface of the negatively-charged plate. ...

2010 Summer

MCQ

CH17 - ELECTRIC FIELDS

In the diagram, the shaded area represents a uniform electric field directed away from the observer (at right-angles into the plane of the paper). ...

2010 Summer

MCQ

CH17 - ELECTRIC FIELDS

Two oppositely-charged parallel plates are arranged as shown. An electron is released from rest from the surface of the negatively-charged plate. T...

2010 Summer

Theory

CH2 - MEASUREMENT TECHNIQUES

Measurements made for a sample of metal wire are shown in Fig. 1.1. Fig. 1.1 (a) State the appropriate instruments used to make each of these meas...

2011 Summer

Theory

Kinetic Energy

(a) Explain what is meant by work done. [1] (b) A car is travelling along a road that has a uniform downhill gradient, as shown in Fig. 2.1. ...

2011 Summer

Theory

CH5 - FORCES, DENSITY & PRESSURE

(a) Explain what is meant by centre of gravity. (b) Define moment of a force. (c) A student is being weighed. The student, of weight $W$, stands 0.3...

2011 Summer

Theory

CH9 - DEFORMATION OF SOLIDS

(a) Define, for a wire, (i) stress,    [1] (ii) strain.    [1] (b) A wire of length 1.70 m hangs vertically from a fixed point,...

2011 Summer

Theory

CH20 - D.C. CIRCUITS

(a) A variable resistor is used to control the current in a circuit, as shown in Fig. 5.1. The variable resistor is connected in series with a 12V po...

2011 Summer

Theory

CH5 - FORCES, DENSITY & PRESSURE

(a) State two assumptions of the simple kinetic model of a gas.   [2] (b) Use the kinetic model of gases and Newton's laws of motion to exp...

2011 Summer

Theory

CH15 - SUPERPOSITION

(a) Explain the term interference.   [1] (b) A ripple tank is used to demonstrate interference between water waves. Describe (i) the appa...

2011 Summer

Theory

CH1 - PHYSICAL QUANTITIES & UNITS

(a) Distinguish between scalar quantities and vector quantities. [2] (b) In the following list, underline all the scalar quantities. accelerati...

2011 Summer

Theory

CH1 - PHYSICAL QUANTITIES & UNITS

(a) A sphere of radius $R$ is moving through a fluid with constant speed $v$. There is a frictional force $F$ acting on the sphere, which is given by ...

2011 Summer

Theory

Potential Energy

(a) (i) Explain what is meant by work done. [1] (ii) Define power. [1] (b) Fig. 3.1 shows part of a fairground ride with a carriage on rai...

2011 Summer