Theory

CH22 - MAGNETIC FIELDS

(a) Define the Τesla....................................................................................................................................

2009 Summer

Theory

CH22 - MAGNETIC FIELDS

(a) On Fig. 6.1, sketch the pattern of the magnetic flux in the horizontal plane ABCD due to the current-carrying wire. Draw at least four flux lines....

2009 Winter

Theory

CH22 - MAGNETIC FIELDS

Outline briefly the main principles of the use of magnetic resonance to obtain diagnostic information about internal body structures.

2009 Winter

Theory

CH22 - MAGNETIC FIELDS

(a) On Fig. 5.2, (i) draw four field lines to represent the pattern of the magnetic field around wire X due solely to the current in wire X, [2] (ii...

2009 Winter

Theory

CH22 - MAGNETIC FIELDS

(a) A constant current is maintained in a long straight vertical wire. A Hall probe is positioned a distance $r$ from the centre of the wire, as shown...

2010 Summer

Theory

CH22 - MAGNETIC FIELDS

Negatively-charged particles are moving through a vacuum in a parallel beam. The particles have speed v. The particles enter a region of uniform magne...

2010 Summer

Theory

CH22 - MAGNETIC FIELDS

(a) A uniform magnetic field has constant flux density $B$. A straight wire of fixed length carries a current $I$ at an angle $\theta$ to the magnetic...

2010 Summer

Theory

CH22 - MAGNETIC FIELDS

(a) A uniform magnetic field has constant flux density $B$. A straight wire of fixed length carries a current $I$ at an angle $\theta$ to the magnetic...

2010 Summer

Theory

CH22 - MAGNETIC FIELDS

Positive ions are travelling through a vacuum in a narrow beam. The ions enter a region of uniform magnetic field of flux density $B$ and are deflecte...

2010 Winter

Theory

CH22 - MAGNETIC FIELDS

Positive ions are travelling through a vacuum in a narrow beam. The ions enter a region of uniform magnetic field of flux density $B$ and are deflecte...

2010 Winter

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which pair of quantities contains one vector and one scalar quantity?

2013 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

One property Q of a material is used to describe the behaviour of sound waves in the material. Q is defined as the pressure P of the sound wave divide...

2013 Summer

MCQ

CH3 - KINEMATICS

A cannon fires a cannonball with an initial speed $v$ at an angle $\alpha$ to the horizontal. Which equation is correct for the maximum height $H$ re...

2013 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

A wave has a frequency of 5 GHz. What is the period of the wave?

2013 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

In an experiment to determine the acceleration of free fall $g$, the period of oscillation $T$ and length $l$ of a simple pendulum were measured. The ...

2013 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

The Y-input terminals of a cathode-ray oscilloscope (c.r.o.) are connected to a supply of amplitude 5.0 V and frequency 50 Hz. The time-base is set at...

2013 Summer

MCQ

CH3 - KINEMATICS

A body is released from rest and falls vertically in air of constant density. Which statement about the motion of the falling body is correct?

2013 Summer

MCQ

CH3 - KINEMATICS

A goods train passes through a station at a steady speed of 10 m s$^{-1}$. An express train is at rest at the station. The express train leaves the st...

2013 Summer

MCQ

CH3 - KINEMATICS

A car is stationary at traffic lights. When the traffic lights go green, the driver presses down sharply on the accelerator. The resultant horizontal ...

2013 Summer

MCQ

CH4 - DYNAMICS

Which of the following is a statement of the principle of conservation of momentum?

2013 Summer