Home
Class 11
PHYSICS
What is the relation between current and...

What is the relation between current and voltage in a capacitor?
a)` I=1/C*int(Vdt)`
b)` I=C(dV/dt)`
c)` I=1/C(dV/dt)`
d)` I=Ct`

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
Promotional Banner

Similar Questions

Explore conceptually related problems

The phase difference between current and voltage for L-C-R A.C. series circuit is …….

…….. does not change with time for D.C. current and D.C. voltage.

Graph shown in figure is the relation between photo current (i) versus incident voltage (V). Maximum energy of electron emitted will be …

In a p-n junction diode, the current I can be expressed as I= I_(0) "exp" ((eV)/(2k_(B)T)-1) where I_(0) is called the reverse saturation current, V is the voltage across the diode and is positive for forward bias and negative for reverse bias, and I is the current through the diode, k_(B) is the Boltzmann constant (8.6 xx 10^(–5) eV//K) and T is the absolute temperature. If for a given diode I_(0) = 5 xx 10^(-12) A and T = 300 K, then (a) What will be the forward current at a forward voltage of 0.6 V? (b) What will be the increase in the current if the voltage across the diode is increased to 0.7 V? (c) What is the dynamic resistance? (d) What will be the current if reverse bias voltage changes from 1 V to 2 V?

In a p-n junction diode, the current I can be expressed as I=I_(0)"exp"((eV)/(2k_(B)T)-1) where I_(0) is called the reverse saturation current, V is the voltage across the diode and is positive for forward bias and negative for reverse bias, and I is the current through the diode, k_(B) is the Boltzmann constant (8.6xx10^(-5)eV//K) and T is the absolute temperature. If for a given diode I_(0)=5xx10^(-12) A and T = 300 K, then (a) What will be the forward current at a forward voltage of 0.6 V ? (b) What will be the increase in the current if the voltage across the diode is increased to 0.7 V ? (c ) What is the dynamic resistance? (d) What will be the current if reverse bias voltage changes from 1 V to 2 V ?

A series R-C circuit is connected to an alternating voltage source. Consider two situations :- (a) When capacitor is air filled. (b) When capacitor is mica filled. Current through resistor is i and voltage across capacitor is V then :-

In a L-C oscillator circuit at any instant of time current is I and charge on capacitor is Q then the total energy of the system will be ………

The fig. shows the variation of photon current with anode potential for a photo-sensitive surface for three different radiation. Let I_(a), I_(b) and I_(c) be the intensities and f_(a), f_(b) and f_(c) be the frequency for the curves a,b and c respectively.