Current Electricity and Electrical InstrumentHard
Question
Consider a thin square sheet of side L and thickness t,made of a material of resistivity ρ. The resistance between two opposite faces, shown by the shaded areas in the figure is
Options
A.directly proportional to L
B.directly proportional to t
C.independent of L
D.independent of t
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
In producing chlorine by electrolysis 100 kW power at 125 V is being consumed. How much chlorine per minute is liberated...If E = 200Volt, R = 25Ω, L = 2H and C = 2μF and the frequency is variable then the current at f = 0 and f = &#...Figure shows a thick copper rod X and a thin copper wire Y, joined in series. They carry a current which is sufficient t...A group of N cells whose emf varies directly with the internal resistance as per the equation EN = 1.5 rN are connected ...An electrolyte bulb marked 40 W and 200 V, is used in a circuit of supply voltage 100V. Now its power is...