Practise MYP Physics questions on 3.4 Electric Circuits and review the explanations to check your understanding.
Use these questions for topic practice and to find ideas you want to revisit in your notes or lessons.
If a new parallel branch with a resistor is added to an existing circuit, what is the effect on the total current drawn from the energy source?
True or False: In a parallel circuit, adding more branches decreases the voltage across the existing components.
Consider a parallel circuit with two branches containing resistors and . Which statement about the total resistance of this circuit is correct?
For an ideal gas-like model of charge flow, the electric current is defined as the __________ of charge passing a point in a circuit.
A component that is specifically designed to transfer electrical energy into thermal energy is best described as a __________.
The total current increases
The total current drops to zero
The total current remains the same
The total current decreases
True
False
It is less than
It is between and
It is exactly
It is exactly
Total amount
Pressure
Rate
Potential energy
Heater
Ammeter
Switch
Cell
