ElectroMagnetic InductionMedium
Question
A circuit element is placed in a closed box. At time t = 0, constant current generator supplying a current of 1 A, is connected across the box. Potential difference across the box varies according to graph shown in figure. The element in the box is
Options
A.resistance of 2Ω
B.battery of emf 6V
C.inductance of 2H
D.capacitance of 0.5 F
Solution
Constant Current supply is Crucial point of the question.
Compare it in 3 Circuit element: Resistance , Inductor , capacitance
For resistance EMF will be constant, For Inductor No EMF as No change in current
Only can be capacitor as current flow charge will increase as V = Q / C
Create a free account to view solution
View Solution FreeMore ElectroMagnetic Induction Questions
The variation of the instantaneous current (I) and the instantaneous emf (E) in a circuit is as shown in fig. Which of t...A semicircular wire of radius R is rotated with constant angular velocity w about an axis passing through one end and pe...In an AC generator, a coil with N turns, all of the same area A and total resistance R, rotates with frequency ω in...In figure a bar magnet is moved along the axis of a copper ring, an anticlockwise (as seen from the side of magnet) curr...Rate of increment of energy in an inductor with time in series LR circuit getting charge with battery of e.m.f. E is bes...