While reading about the heating effect of current, Raju list some electrical devices that work on that principle. He lists some devices . His father notices that one device is listed incorrectly. Electrical device:
Electric kettle, Motor, Toaster, Geyser, Hair dryer Which device is listed incorrectly by Raju ?

Explanation

To determine which device is incorrectly listed by Raju in relation to the heating effect of current, we need to analyze each device and understand how they operate.

1. **Electric Kettle**: An electric kettle uses the heating effect of current to heat water. When electric current passes through the heating element (usually a coil), it generates heat, which warms up the water. This device is correctly listed.

2. **Toaster**: A toaster also operates on the heating effect of current. It has metal wires that get hot when electricity passes through them, toasting the bread. This device is correctly listed.

3. **Geyser**: A geyser works similarly to an electric kettle. It heats water using the heating effect of current. When current flows through the heating element, it generates heat to warm the water. This device is correctly listed.

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