32) As per IE regulations when calculating the incandescent lamp power for load purpose, every lamp holder is taken as

33) When two 250 V, 100 W bulbs are connected in series to 250 V supply, they will give

34) Gas discharge lamps lights up to full brightness after a time delay. Which one of the lamps mentioned below has more time delay when compared to other lamps ?

35) Which one of the lamps mentioned below has more time delay when compared to other lamps ?

36) What is the colour of the light emitted by sodium vapour lamp ?