A 40W instrument has a resistance 90 Ohms. On what voltage should it be operated normally

Similar Questions

Which of the following materials is used to control the rate of neutron production in a nuclear reac...

Water shows anomalous behaviour. ...

Ripples on water and light waves are similar because both? ...

The resistances of platinum wire at the ice and steam points are 0.75 ohm and 1.05 ohm respectively....

Which statement is TRUE of a block of stone of mass m, with zero momentum? ...

Which of the following statements about a gas is NOT correct? ...

If the distance between two point charges its increased by a factor of four, the magnitude of the el...

Fleming's right hand rule is also called the ...

An astronomical telescope which is being used to view a very distant object is said to be in normal ...

If relative density of a metal is 19, what will be the mass of 20cm3 of the metal when immersed in w...