Electricity is defined as the flow of electric charge.
100
What is the charge when a 13A current flows for 14 seconds?
52C
100
When resistance is increased in a circuit, for example by adding more electrical components, the current XXXXXXXX as a result.
Decreases
200
How do we measure current?
Amps
200
Elements with high conductivity, which have very mobile electrons are called...?
Conductors
200
What is the current when 5C of charge flows in 10 seconds?
0,5 A
200
The resistance of a long wire is XXXXXX than the resistance of a short wire
Greater
300
How do we measure voltage?
Volts
300
What device do we use to measure current? And how is connencted?
An ammeter.
We place an ammeter in series as the electrons need to flow through it to be measured
300
What is the charge when a 5A current flows for 5 hours?
90000C
300
Can you tell us Ohm’s equation?
V=I*R
400
How do you measure potencial energy?
Joules
400
Can you give 3 examples of conductors?
Copper, gold, silver, steel...
400
How long was the bulb on for if a current of 7A is used and 2500C pass through?
357s
400
A conductor of silver has a section of 3*10^6m2 and it is 15m long. What resistance will have to the current?
0,08 Ohms
500
In a parallel circuit the current is XXXXX between the branches
Shared
500
Bicycles with battery operated lights often have different size bulbs for the front and rear lights. The filament in the front lamp has a resistance of 3 ohms. It takes a current of 0.6A. What voltage does it work at?
1,8V
500
What is the potencial difference measured on the ends of a resistor of 10 Ohms in a circuit where a current flows at 4A?