Basic Maths and Units and DimensionsHard
Question
A constant voltage is applied between the two ends of a uniform metallic wire. Some heat is developed in it. If both length and radius of the wire are halved then the heat developed in the same duration will become -
Options
A.Half
B.Twice
C.One-fourth
D.Same
Topic: Basic Maths and Units and Dimensions·Practice all Basic Maths and Units and Dimensions questions
More Basic Maths and Units and Dimensions Questions
The inductance between A and D is...Two spherical vessel of equal volume, are connected by a narrow tube. The apparatus contains an ideal gas at one atmosph...If it takes 5 minutes to fill a 15 litre bucket from a water tap of diameter cm then the Reynolds number for the flow is...Which is not the unit of self inductance from following...If the capacitance of a nanocapacitor is measured in terms of a unit ′u′ made by combining the electronic ch...