Ohm’s Law (Grade 11 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What is the unit of measurement for resistance?
What is the unit of measurement for resistance?
Ohms ()
What does electric current measure in a circuit?
What does electric current measure in a circuit?
Rate at which charge flows
According to Ohm's Law, current is directly proportional to voltage when what is constant?
According to Ohm's Law, current is directly proportional to voltage when what is constant?
Temperature
Which equation correctly rearranges to find voltage?
Which equation correctly rearranges to find voltage?
What shape is the current-voltage graph for an ohmic conductor?
What shape is the current-voltage graph for an ohmic conductor?
Straight line through origin
On an I-V graph, what does a steeper gradient indicate?
On an I-V graph, what does a steeper gradient indicate?
Smaller resistance
How should an ammeter be connected in a circuit?
How should an ammeter be connected in a circuit?
In series
Which of these is a non-ohmic conductor?
Which of these is a non-ohmic conductor?
Light bulb
A resistor of carries a current of . What is the voltage across it?
A resistor of carries a current of . What is the voltage across it?
Why does Ohm's Law only apply at constant temperature?
Why does Ohm's Law only apply at constant temperature?
Temperature affects resistance