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

CH4 - DYNAMICS

What is a reasonable estimate of the volume of an adult person?

2021 Summer

MCQ

CH14 - WAVES

Which combination of units could be used for expressing the power dissipated in a resistor?

2021 Summer

MCQ

CH4 - DYNAMICS

A force of 10 N and a force of 5 N act on an object. The angle between the forces is 150°. The resultant force on the object can be resolved i...

2021 Summer

MCQ

CH14 - WAVES

A signal of frequency 25 Hz is displayed on the screen of a cathode-ray oscilloscope. What is the time-base setting? 

2021 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

A micrometer screw gauge is used to measure the diameter of a wire.The reading on the micrometer with the jaws closed is ($-0.05 \pm 0.02$) mm.The rea...

2021 Summer

MCQ

CH3 - KINEMATICS

A projectile is launched at an angle to the horizontal at time $t = 0$. It travels over horizontal ground, as shown. Air resistance is negligible. ...

2021 Summer

MCQ

CH3 - KINEMATICS

A train, initially at rest at a station, has a uniform acceleration of $0.20 \, \text{m} \, \text{s}^{-2}$ until it reaches a speed of $20 \, \text{m}...

2021 Summer

MCQ

CH4 - DYNAMICS

A rocket is fired from the Earth into space. Newton’s third law of motion describes how forces act in pairs. One of the forces of a pair is the...

2021 Summer

MCQ

CH4 - DYNAMICS

The graph shows how quantity $P$ varies with quantity $Q$ for a body falling vertically downwards in a uniform gravitational field with air resistance...

2021 Summer

MCQ

CH4 - DYNAMICS

Which quantities are conserved in an inelastic collision?

2021 Summer