2761687
Descrição
Quiz por CartMcGrart, atualizado more than 1 year ago
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Criado por CartMcGrart
mais de 9 anos atrás
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Questão 1
Questão
What does the gradient on a distance time graph represent.
Responda
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velocity
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distance travelled
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momentum
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acceleration
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speed
Questão 2
Questão
What does gradient of the line on a velocity time graph represent
Responda
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speed
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acceleration
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velocity
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distance travelled
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kinetic energy
Questão 3
Questão
The stopping distance of a vehicle is the equal to
Responda
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the sum of the reaction time and the braking time
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the sum of the breaking distance and the reaction time
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the sum of the thinking distance the breaking time
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the sum of the thinking distance and the breaking force
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the product of the breaking time and the thinking distance
Questão 4
Questão
What is the equation relating the spring constant (k), the force (F) and the extension (E).
Responda
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E=KxF
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F=Kxe
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E=K+F
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K=ExF
Questão 5
Questão
the current potential difference graph for a resistor at a constant temp is
Responda
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line x=0
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line y=0
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line y=x
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line y=-x
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y=x until halfway up the graph where it remains as y=5
Questão 6
Questão
The greater the P.D. the __________ the current, for a component at a given _________.
Responda
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greater
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smaller
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altitude
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mass
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temperature
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resistance
Questão 7
Questão
For components connected in series
Responda
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the total resistance is the sum of the resistance in all the components
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the P.D is the same across all the components
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the charge is constantly changing in all the components
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same current through each component
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the total current through the whole circuit is the sum of the currents through the separate components.
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the potential difference of the supply is the shared between the components
Questão 8
Questão
Mains electricity is a.c.
Responda
- True
- False
Questão 9
Questão
Mains electricity has a frequency of
Responda
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60Hz
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70Hz
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80Hz
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50Hz
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230Hz
Questão 10
Questão
The units of charge are
Responda
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volts
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joules
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ampere
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watts
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kilowatts
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couloumbs
Questão 11
Questão
What comes directly after the main sequence of a star about the size of our sun
Responda
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white dwarf
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black dwarf
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red super giant
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nebula
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red giant
Questão 12
Questão
One eventual outcome for a huge star is a black hole, what is the other
Responda
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Supernova
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White dwarf
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Nebula
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Neutron star
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