A 40-W instrument has a resistance of 90$\Omega$. On what voltage should it be operated normally?

Similar Questions

The optical instrument which is suitable for viewing a nearby objects is ………..?...

Of the following derived units, the one that is not a unit of power is ...

A block of mass 2.04kg resting on a smooth horizontal plane is acted upon simultaneously by two-forc...

A galvanometer of resistance 5.0Ω has full-scale deflection for a current of 100mA. How w...

The maximum and minimum thermometer reads the ...

Determine the value of x from the nuclear reaction below, $^{222}_{86}Rn$ → \(^{x}_{88}Ra\...

The compressed regions and the space-out regions in longitude wave are refers to as ...

The half-life of a radio-active element is 9 days, what fraction of atoms has decayed in 36 days? ...

Which of the following are transverse waves? I. Ripples on water II. Sound waves in air III. Li...

Thunder is usually heard some seconds after lightning is observed because ...