If the current in a heater increases by `10%` the percentage change in the power consuption

If the current in an electric bulb increases by 1 %, what will be the change in the power of a bulb ? [Assume that the resistance of the filament of a bulh remains constant]

If the current in the electric bulb changes by 1%, then by what percentage will the power change?

The price of wheat ,per kg , is increased by 17.5% and the quantity of wheat bought is decreased by 10% .What is the percentage change in the amount spent on wheat ?

The price of wheat, per kg, is increased by 17.5% and the quantity of wheat bought is decreased by 10%. What is the percentage change in the amount spent on wheat?

The radius of a solid right circular cylinder decreases by 20% and its height increases by 10%. Find the percentage change in its : volume

When temperature of a ferromagnetic material is increased by 10%, what is the percentage change in its magnetic susceptibility?

If the temperature of the body is increased by 10%, the percentage increase in the emitted radiation will be

A number is increased first by 10% and then it is decreased by 10% .What is the percentage change in the number ? (a) 11% increase (b)No change (c) 1% decrease (d) 11% decrease