If $\frac{d^2y}{dx^2} = 0$,then

Sensitivity of a potentiometer can be increased by

An electromagnetic radiation has an energy $14.4 keV$. To which region of the electromagnetic spectrum does it belong?

Which hormone is primarily associated with cell division?

Negation of the statement "The payment will be made if and only if the work is finished in time." is

An electric motor operating on a $60\,V$ $dc$ supply draws a current of $10\,A$. If the efficiency of the motor is $50\%$,the resistance of its winding is....$\Omega$