Understanding Electricity
Practice Questions
High School Physics › Understanding Electricity
The direction of conventional current is taken to be the direction that __________________ .
Why might a circuit breaker open if you plug too many electrical devices into a single circuit?
A current of 
A 4.5V battery is connected to a bulb whose resistance is 
What is the maximum power consumption of 
Nothing happens when birds land on a power line, yet we are warned not to touch a power line with a ladder. What is the difference?
If the resistance in a constant voltage circuit is doubled, the power dissipated by that circuit
When a light switch is turned on, the light comes on immediately because
The total amount of charge that passes through a wire’s full cross section at any point per unit of time is referred to as