Circuit Diagrams (OCR GCSE Physics A, Combined (Gateway Science Suite)): Quizzes

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Circuit Diagrams
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What does a potential difference of 1 volt represent?

1 J transferred per coulomb of charge

How must a voltmeter always be connected in a circuit?

In parallel

How is potential difference distributed in a series circuit?

Shared between components

What is the P.D. across each component in a parallel circuit?

The same for each component

What is a battery?

Two or more cells connected together

What does a current of 1 ampere represent?

1 coulomb of charge flowing per second

Which formula calculates charge flow in a circuit?

Q=I×tQ = I \times t

Which formula calculates energy transferred by a component?

E=Q×VE = Q \times V

Which formula correctly represents resistance?

R=VIR = \frac{V}{I}

Which direction does electric current flow from the cell?

Negative terminal to positive terminal

Which device is used to measure electric current?

Ammeter

How does current behave in a series circuit?

Same all the way around

How does current behave in parallel circuits?

Splits and branch currents add to total

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