Is there anything wrong in this circuit diagram?

A ______ is a safety device which prevents damage to electrical circuits and possible fires

The effects of current are:

Longer line in cell symbol?

The degree to which a material opposes the passage of current through itself is called_____.

A fuse wire is a wire of-

The heating coils/elements of different electrical appliances are usually made from ________ or ________ wires.

1. Copper 2. Aluminum 3. Nichrome 4. Tungsten

Which one of the following is the most energy efficient

A combination of two or more cells is called

WHo discovered the magnetic effect of current?

When electricity flows through heating coil it becomes ________ hot and gives out _______ energy, which is to put in practical use.