Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct ?

Related Mcqs:

Capacitor does not allow the sudden change of ?

A. current B. voltage C. power D. None of the above...

The resistance of a conductor varies inversely as___________?

A. length B. area of cross-section C. temperature D. resistivity...

Which one of the following does not have negative temperature co-efficient ____________?

A. Aluminium B. Paper C. Rubber D. Mica...

The hot resistance of the bulb’s filament is higher than its cold resistance because the temperature co-efficient of the filament is___________________?

A. zero B. negative C. positive D. about 2 ohms per degree...

Switching of a lamp in house produces noise in the radio. This is because switching operation produces________?

A. arcs across separating contacts B. mechanical noise of high intensity C. both mechanical noise and arc between contacts D. none of the above...