Current Electricity and Electrical InstrumentHard
Question
Two metal rods X and Y having equal cross-sectional areas are joined end to end to form a composite bar, one end of which is heated. After some time has elapsed, the temperature gradient along each rod is found to be uniform, but greater in X than that in Y. Which of the following can be inferred
Options
A.Both the rods are well lagged
B.The heat current is the same in both the rods
C.Both the rods are of equal lengths
D.X is better conductor of heat than Y
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
A battery consists of a variable number 'n' of identical cells (having internal resistance 'r' each) whi...For changing the range of a galvanometer with G ohm resistance from V volt to nV, what will be the value of resistance c...Two resistors of $100\Omega$ each are connected in series with a 9 V battery. A voltmeter of $400\Omega$ resistance is c...In the ladder network shown, current through the resistor 3 Ω is 0.25 A. The input voltage ′V′ is equal...A 25 cm long solenoid has radius 2 cm and 500 total number of turns. It carries a current of 15 A. If it isequivalent to...