Question 1
What is the primary difference between alternating current (AC) and direct current (DC)?
Question 2
According to Ohm's Law, what is the relationship between potential difference (V), current (I), and resistance (R)?
Question 3
How does the resistance of a Light Dependent Resistor (LDR) change with light intensity?
Question 4
In a circuit diagram, how is a voltmeter connected?
Question 5
What happens to the resistance of a thermistor as the temperature increases?
Question 6
What role do live, neutral, and earth wires have in household wiring?
Question 7
How is total resistance calculated in a series circuit?
Question 8
What does the National Grid use to efficiently transfer electrical energy over long distances?
Question 9
What is the formula used to calculate energy transferred using potential difference and charge?
Question 10
How is the electric current defined in terms of charge and time?
Question 11
What is the equation for calculating charge?
Question 12
What is the power equation that involves both potential difference and current?
Question 13
In a parallel circuit, how does the potential difference across each component compare?
Question 14
Which component allows current to flow in only one direction?
Question 15
What is the role of an ammeter in an electrical circuit?