STANDARDPhysics-Current Electricity
STANDARD Physics Heating Effect of Current MCQ Question
Type: MCQ-numerical-Medium-Class 12
In the circuit shown in figure heat developed across 2 Ω, 4 Ω and 3 Ω resistances are in the ratio of
A
2 : 4 : 3
B
8 : 4 : 12
C
4 : 8 : 27
D
8 : 4 : 27
Correct Answer
Option D
Detailed Explanation
The heat developed in a resistor is proportional to the square of the current through it and its resistance. Using the given circuit, the heat ratio is calculated as 8:4:27.
Found an issue with this question?
Related Questions
More from Current Electricity
More from
Consider a diagram showing a rectangular slab of length \( l \) and area of cross-section \( A \). If the resistance \( R \) of the slab is given by t...
(general)Physics
Assertion (A): The equivalent emf of two cells in parallel is the sum of their emfs divided by the sum of their internal resistances. | Reason (R): Th...
Ohm's LawPhysics
Which of the following statements best defines when a conducting material obeys Ohm's law?
Ohm's LawPhysics