Question 1
A bulb is connected to a 6 V battery and draws a current of 0.5 A. What is the resistance of the bulb?
Show Answer+
12 ohms.
Show Explanation+
Use Ohm's law: R = V / I. Therefore R = 6 / 0.5 = 12 ohms.
Grade 10 / Science / Electricity
2024 Past Paper
Read each question, then reveal the answer and explanation when you are ready.
Question 2
Name one safety device used in household electrical circuits and state its function.
Show Answer+
A fuse or circuit breaker protects the circuit by stopping current during a fault.
Show Explanation+
When current becomes too high, the device opens the circuit and reduces the risk of overheating or fire.