CAPE Physics Unit 2 · 2011 · Paper 1
42 multiple-choice items from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.
- Q11 mark · multiple choiceIn the equation for the current through a conductor
I = nevA,vrepresents the - Q21 mark · multiple choiceThe 'driving force' for charges through an electrical circuit is provided by the
- Q31 mark · multiple choiceKirchhoff's second law states that the algebraic sum of the potential differences around a complete circuit must equal zero. This is a consequence of conservation of
- Q41 mark · multiple choiceFor the circuit diagram below, determine the current flowing through the
6\,\Omegaresistor. - Q51 mark · multiple choiceIn SI, the unit of electric field strength is
- Q61 mark · multiple choiceWhen the switch S, is closed, the initial movement of the sphere is
- Q71 mark · multiple choiceCoulomb's law states that the force between two point charges is directly proportional to
- Q81 mark · multiple choiceThe energy stored in a capacitor is given by
- Q91 mark · multiple choiceOne farad is equivalent to
- Q101 mark · multiple choiceA wire of length
30\text{ cm}is in a magnetic field of strength3.5\text{ mT}and makes an angle of60^\circwith the field. If the wire is carrying a current of2.5\text{ A}, what is the magnitude of the force… - Q111 mark · multiple choiceA wire carrying current into the plane of the paper is shown below. It is acted upon, in turn, by four magnetic fields labelled A, B, C and D acting in the directions shown. Which field exerts on the wire a force…
- Q121 mark · multiple choiceA current-carrying conductor of mass
2.0 \times 10^{-3}\text{ kg}carrying a current of2.0\text{ A}is balanced by a magnetic field at right angles to it. If the length of the conductor is8.0\text{ cm}, the… - Q131 mark · multiple choiceA road is
15\text{ m}below a transmission line which carries an alternating current of peak value100\text{ A}. The magnitude of the peak magnetic flux density at the road (due to the current in the transmission… - Q141 mark · multiple choiceAn ideal transformer has 600 turns in the primary winding and 40 turns in the secondary winding. If the current in the primary winding is
5\text{ A}, and the primary voltage is120\text{ V}, what is the current and… - Q161 mark · multiple choiceWhat is the
V_{\text{r.m.s}}of a wave form with a peak to peak voltage of40\text{ V}? - Q171 mark · multiple choiceThe equation which represents this alternating current is
- Q181 mark · multiple choiceIn the diagram above, the current (I) flowing through the n-type semiconductor is mainly due to
- Q191 mark · multiple choiceWhich of the lamps in the circuit shown above are lit?
- Q201 mark · multiple choiceWhich of the graphs below describes the output of the circuit shown above?
- Q221 mark · multiple choiceThe LED in the circuit above lights when
- Q231 mark · multiple choiceFrom the information given in the operational amplifier circuit above, determine the current in the
6.0\text{ k}\Omegaload resistor. - Q241 mark · multiple choiceThe gain of an inverting amplifier constructed using this operational amplifier is
10^3. What is the bandwidth of this amplifier? - Q251 mark · multiple choiceWhich of the following gain-frequency graphs represents that of an ideal operational amplifier?
- Q261 mark · multiple choiceWhich is the correct truth table for the circuit above?
- Q271 mark · multiple choiceIf the inputs to P and Q are both held at logic 1, then the states of R, S and T are
- Q281 mark · multiple choiceThe symbol for the logic gate which has the equivalent action to this complete circuit is
- Q291 mark · multiple choiceTwo four-bit binary numbers are fed into the inputs X and Y of an OR gate. The numbers are represented by the pulse trains in the V-t diagrams below. Which of the following pulse trains represents the output pulse from…
- Q301 mark · multiple choiceWhich of the following diagrams is the correct circuit for a half adder?
- Q311 mark · multiple choiceLight falls on a photoelectric material and no electrons are emitted. Electrons may be emitted if which of the following is/are increased? I. The intensity of the light II. The frequency of the light III. The…
- Q321 mark · multiple choiceWhat does the symbol,
\Phi, represent in the equationhf = \Phi + E_{\text{max}}? - Q331 mark · multiple choiceA metal surface has a work function of
3.8\text{ eV}. What is the threshold wavelength for this metal? - Q341 mark · multiple choiceThe intensity of X-rays passing through a material of thickness,
x, is given byI = I_0 \exp(-\mu x). What does the symbol "\mu" in the equation represent? - Q351 mark · multiple choiceWhat is the de Broglie wavelength of an olympic sprinter of mass
60\text{ kg}when running at a speed of10\text{ m s}^{-1}? - Q361 mark · multiple choiceThe electron-volt is a measurement of
- Q371 mark · multiple choiceTwo neutral isotopes of an element have the same number of
- Q381 mark · multiple choiceWhich statement about the behaviour of the oil drops during the experiment is correct?
- Q391 mark · multiple choiceThe mass defect for the nucleus of helium-4 is
0.0303\text{ u}. What is the binding energy per nucleon for helium-4? - Q401 mark · multiple choiceThe equation below shows the disintegration of polonium-210 to a stable isotope of lead.
^{210}_{84}\text{Po} \rightarrow {}^{206}_{82}\text{Pb} + {}^4_2\text{He} + QFor the above equation mass of… - Q411 mark · multiple choiceThe activity of a radioactive source is
- Q421 mark · multiple choiceThe fission of uranium-235 can be represented by the nuclear equation
^{235}_{92}\text{U} \rightarrow {}^{140}_{54}\text{Ce} + {}^x_y\text{Zr} + {}^1_0\text{n}Which combination gives the correct ratio ofy : x? - Q441 mark · multiple choiceWhich of the following statements are true about radioactive decay? I. It is a random process. II. It is a spontaneous process. III. It is dependent on the chemical combination of radioactive elements. IV. It increases…
- Q451 mark · multiple choiceThe half-life of a sample of radioactive substance is 100 years. What is its decay constant?