Home
Class 12
PHYSICS
The charge flowing in a conductor varies...

The charge flowing in a conductor varies with time as Q=at `1/2bt^2+(ct^2)/6` where a, b, c are positive constants. Then the current

A

has an initial value a.

B

reaches a minimum value after time `b/c`

C

reaches a maximum value after time `b/c`

D

has either a maximum or a minimum value `(a-b^2/(2c))`

Text Solution

Verified by Experts

The correct Answer is:
A, D
Promotional Banner

Similar Questions

Explore conceptually related problems

The charge flowing through a resistance R varies with time t as Q=at-bt^(2) , where a and b are positive constants The total heat produced in R is - (A) (a^3R)/(3b) (B) (a^3R)/(2b) (C) (a^3R)/(b) (D) (a^3R)/(6b)

The magnetic flux linked with a coil varies with time t as phi=at^(2)+bt+c , where a, b and c are constants. The emf induced in the coil will be zero at a time of

The current in a conductor varies with time t as I=2t+3t^2 , where I is in ampere and t in second. Electric charge flowing through a section of the conductor during t=3 s and t=3 s is

The position vector vecr of a particle with respect to the origin changes with time t as vecr =Athati-Bt^2hatj, where A and B are positive constants. Determine (i) the locus of the particle,

The position vector vecr of a particle with respect to the origin changes with time t as vecr =Athati-Bt^2hatj, where A and B are positive constants. Determine (ii) the nature of variation with time of the velocity and acceleration vectors, and also the moduli of them.

If ax+(b)/(x) ge c , for all positive values of x, then show that, 4abgec^(2) , where a,b,c are positive constants.

The position vector of a point with time varies as athati+bt^2hatj .a and b are positive constant .What is the nature of the trajectory?

Displacement (x) and time (t) of a particle in motion are related as x = at + bt^(2) -ct^(3) where a,b, and c, are constants. Velocity of the particle when its acceleration becomes zero is