a bulb of 100W and anather bulb of 200W , rated supply
voltage 230v.when supply voltage is reduced to 100v,which
bulb will give more light? and why with calculation?
Answer Posted / pravesh
if the bulbs are connected in paralled then both bulbs will
glow equally but is cannected in series the first bulb will
glow brighter , as in series current is always same and but
in parallel circuit voltage is same
Is This Answer Correct ? | 4 Yes | 11 No |
Post New Answer View All Answers
A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.
As an electrical engineer what are the responsibilities which i can hold in TCS?
What is the function of the circuit breaker failure relay?
what will happen if multimeter(selector switch at DC voltage) and terminal at current is connected to DC supply?
Explain the operation carried out in thermal power stations?
how solar power plant energy meter multiplication factor
WHAT IS START TO INDUCTION MOTER IN STAR TO DELTA OF >5HP ?
What is difference between SMC supportg and Glass Fibre Reinforced Plastic Support.
What are the roles and responsibilities of electrical engineer in cement plant
what topics we have to concentrate for power grid et.written test.and tell what to read for english synonyms and antonyms.
What is the type of feedback used in an op- amp schmitt trigger?
what are the tests comes under the type test, what tests comes under routine tests.
why we need to us lenz's law for synchornous motor
What is difference between slip rings and carbon burushes?
what is the formula for hv test for cable and circuit breaker..????