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Quiz

0654 P12 Electricity & P13 Electric Circuits Quiz

Jeffrey Piggott 17 perguntas 2.385 visualizações

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Perguntas do quiz (17)

  1. 1A plastic rod and a dry cloth are uncharged.
    The rod is now rubbed with the cloth and they both become charged. The rod becomes negatively charged because some charged particles move from the cloth to the rod.
    What is the charge on the cloth and which particles moved in the charging process?     Imagem da pergunta 1
    1. AA
    2. BB
    3. CC
    4. DD
  2. 2The diagram shows an incomplete circuit.
    Four wires of different length and thickness are connected in turn between point X and point Y.
    All four wires are made of the same metal.
    Which wire will cause the greatest reading on the ammeter?     Imagem da pergunta 2
    1. Along and thick
    2. Blong and thin
    3. Cshort and thick
    4. Dshort and thin
  3. 3The diagram shows a circuit containing a battery, a lamp, a switch and another component X.
    The switch is initially closed and the lamp is lit.
    The switch is now opened and the lamp remains lit for several seconds before slowly going out.
    What is component X?
    1. Aa capacitor
    2. Ba light-dependent resistor
    3. Ca thermistor
    4. Da variable resistor
  4. 4 The diagram shows a circuit containing three lamps and three switches S1, S2 and S3.
    Lamp 1 and lamp 3 are lit, but lamp 2 is not lit.
    Which switch or switches is/are closed?     Imagem da pergunta 4
    1. AS1 only
    2. BS1 and S2
    3. CS1 and S3
    4. DS2 and S3
  5. 5The diagram shows part of an electric circuit.
    The light falling on the light-dependent resistor (LDR) increases in brightness.
    What happens to the resistance of the LDR and what happens to the reading on the voltmeter?
    Imagem da pergunta 5
    1. AA
    2. BB
    3. CC
    4. DD
  6. 6An appliance is connected to a mains supply. Its circuit also contains a switch and a fuse.
    Which circuit shows the fuse in the correct position?    Imagem da pergunta 6
    1. AA
    2. BB
    3. CC
    4. DD
  7. 7A small electric motor is mounted on a bench, as shown. The motor is connected to a 6.0 V supply and the current in the motor is 0.50 A. The motor is 50% efficient.
    What is the time taken to lift a mass of 200 g up through a height of 90 cm?     Imagem da pergunta 7
    1. A0.59 s
    2. B0.85 s
    3. C1.2 s
    4. D2.7 s
  8. 8B2 and B3 are three identical lamps. They are connected to a battery with zero internal resistance, as shown.
    Initially the switch is closed. The switch is then opened and lamp B3 goes out.
    What happens to the brightness of lamps B1 and B2 when the switch is opened?    Imagem da pergunta 8
    1. AA
    2. BB
    3. CC
    4. DD
  9. 9 A battery is marked 9.0 V.
    What does this mean?
    1. AEach coulomb of charge from the battery supplies 9.0 J of electrical energy to the whole
      circuit.
    2. BThe battery supplies 9.0 J to an external circuit for each coulomb of charge.
    3. CThe potential difference across any component connected to the battery will be 9.0 V.
    4. DThere will always be 9.0 V across the battery terminals.
  10. 10A pencil is used to draw a line of length 30 cm and width 1.2 mm. The resistivity of the material in the pencil is 2.0 × 10^–5 Ω.m and the resistance of the line is 40 k Ω.
    What is the thickness of the line?
    1. A1.25 × 10^–10 m
    2. B1.25 × 10^–8 m
    3. C1.25 × 10^–7 m
    4. D1.25 × 10^–5 m

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Descrição
Quiz for 0654 Coordinated Sciences Topic 12 electricity & topic 13 Electric Circuits
Idioma
English
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