0654 Coordinated Sciences Electrical Quantities Quiz

Descripción

Quiz for 0654 Coordinated Sciences on electrical quantities.
Jeffrey Piggott
Test por Jeffrey Piggott, actualizado hace más de 1 año
Jeffrey Piggott
Creado por Jeffrey Piggott hace más de 5 años
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Resumen del Recurso

Pregunta 1

Pregunta
Three charged balls, P, Q and R are suspended by insulating threads. Ball P is negatively charged. (See diagram) What are the charges on ball Q and on ball R?
Respuesta
  • A ball Q = positive; ball R = positive
  • B ball Q = positive; ball R = negative
  • C ball Q = negative; ball R = positive
  • B ball Q = negative; ball R = negative

Pregunta 2

Pregunta
Which copper wire would have the smallest resistance?
Respuesta
  • A a long, thick wire
  • B a long, thin wire
  • C a short, thick wire
  • D a short, thin wire

Pregunta 3

Pregunta
In which unit is potential difference measured?
Respuesta
  • A ampere
  • B ohm
  • C volt
  • D watt

Pregunta 4

Pregunta
Which material is a conductor of electricity?
Respuesta
  • A brass
  • B glass
  • C plastic
  • D wood
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