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Saturday, 31 October

JEE Main 2024 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 5 April 2024, Shift 2, Physics Q42

Question 42 of 90 in this shift, Physics question 12 of 30, Section A.

The ratio of heat dissipated per second through the resistance 5 Ω5\ \Omega and 10 Ω10\ \Omega in the circuit given below is :

The figure, in words

Circuit: 10 V battery; a 20 ohm resistor in series with a parallel combination of a 5 ohm and a 10 ohm resistor.
  1. (1)1:21:2
  2. (2)2:12:1Official answer
  3. (3)1:11:1
  4. (4)4:14:1

Official answer

Option 2

NTA final key.

Chapter
Current Electricity
Topic
Ohm's Law and Resistance
Idea tested
Power Dissipation Ratios in Series vs Parallel

Same idea in other shifts

Asked 5× in all
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  4. 4 Aug 2021, Shift 2 · Q22Two heaters X and Y are connected is parallel across the supply of V volts. Heater X generates 500 kCal of heat in 20 minutes while Y…MediumNumerical value

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.