JEE Main 2014PhysicsCurrent ElectricityMediumMCQ

JEE Main 2014 — Current Electricity Question with Solution

JEE Main 2014 (19 Apr Online)

Question



Four bulbs B1, B2, B3 and B4 of 100 W each are connected to 220 V main as shown in the figure. The reading in an ideal ammeter will be

Choose an option

Show full solutionCorrect option: B
Correct answer
B1.35 A

Step-by-step explanation

The resistance of any bulb=V2/P

Current through ammeter at shown position=3i1

current in any 1 bulb=i1=VR=VV2/P=PV=100220

Through ammeter, ⇒inet=3i1=300220=1.35 A

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About this question

This is a previous-year question from JEE Main 2014, covering the Current Electricity chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.