The fuse in a plug is connected in the
Answer and explanation
Correct answer: B. live wire
- Step 1: When the fuse blows, the appliance is cut off from the live supply. Answer: live wire. Why not the others: earth wire: The earth wire provides a path for fault currents. neutral wire: A fuse in the neutral would leave the appliance live when it blows. any wire: It must be on the live side to isolate the appliance.
Practise more Electricity and magnetism.
Free questions with an explanation for every one, and full timed Kenya KCSE mock tests.
More Electricity and magnetism questions
- A 12 V battery drives a current of 3 A through a resistor. What is the resistance?
- Two resistors of 6 ohms and 3 ohms are connected in parallel. What is their combined resistance?
- An electric kettle rated 2000 W is used for 3 minutes. How much electrical energy does it use?
- A 60 W bulb is used for 5 hours a day. If electricity costs KSh 20 per kWh, what is the cost of using the bulb for 10 days?
- A transformer has 200 turns on its primary coil and 50 turns on the secondary coil. If the input voltage is 240 V, what is the output voltag…
- Which device converts mechanical energy into electrical energy?