Electric Circuits (Grade 10 NSC Matric Physical Sciences): Quizzes

📚Quizzes
Potential Difference and EMF
Sign up to keep practising.Create a free account to play more quizzes and track your progress.

Practise the questions

10 questions from this quiz

Show

What is potential difference defined as?

Work done per unit charge

What does one volt equal?

One joule per coulomb

If a battery has 6 volts, how much work does it do to move each coulomb of charge?

6 joules

How must a voltmeter be connected to measure potential difference across a component?

In parallel

What is EMF?

Max PD when no current flows

When is EMF measured?

When no current flows

How does terminal potential difference compare to EMF when current flows?

Less than EMF

Why is terminal potential difference less than EMF when current flows?

Internal resistance of battery

Which statement about EMF is correct?

Not affected by circuit load

Why should a voltmeter never be connected in series?

It changes circuit behaviour

Join 100,000+ NSC Matric students studying Quizzes with us.

Select your subjects, and get access to A+ resources today.