[" 15.A bull can be operated at a maximum of "150v" .Its resistance "],[" is "200Omega" .How will you use it at "210" v mains? "]

A projector lamp can be used at a maximum voltage of 60V, its resistance is 20Omega , the series resistance (in ohm) required to operate the lamp from a 75 V supply is

A projector lamp can be used at a maximum voltage of 60V ,its resistance is 20Omega ,the series resistance (in ohm) required to operate the lamp from a 75V supply is ............

A toaster operating at 240 V has a resistance of 120Omega . The power is ………. .

A toaster operating at 240 V has a resistance of 120Omega . The power is ………. .

A toaster operating at 240 V has a resistance of 120 Omega . The power is

A 1250 W heater operates at 115V . What is the resistance of the heating coil?

A 1250 W heater operates at 115V . What is the resistance of the heating coil?

A 1250 W heater operates at 115V . What is the resistance of the heating coil?