Answer: Option D View the video for explanation

There is a related question in Pure Physics 2021 P2 Q9, but slightly different. It asked about why home circuit of 230V is not suitable...

Answer: Option C

It fine to use a multiplug as it brings convenience. The problem arises when too many high power appliances are connected and on at the...

Changing the pin will not change the voltage required by the appliance.

The wire used here is not the typical copper wire. It is nichrome wire which has much higher resistivity compared to copper. Hence, for...

Instead of P = IV to explain, it might be easier to explain using P = I^2R when the components are connected in series where current I is...

Resistors may be connected in series or parallel. When asked which resistor has higher power (hence higher energy), in general we will...

Resistors may be connected in series or parallel. When asked which resistor has higher power (hence higher energy), in general we will...

A common mistake is to state that the reason for switch to be on the live wire is “so that the switch can turn on/off the appliance”....

Simply put, electric appliance can be very simple with just a live wire bring in the current and a neutral wire to bring the current out....

An electric cable contains three wires live, neutral and earth. The cable is correctly wired to a plug which contains a 3A fuse. The...

Answer: Option C View the videos below to learn how to solve it. There are more than one method. Alternatively, you may put values to...

Fuse is a safety feature. In the event of an electrical fault, where there is a short circuit current which exceeds the fuse rating, the...