MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Mixed Combination of Cells

Write the exp...

Question

Write the expression of current in terms of time.

A

i = i_{0} \frac{t}{t_{0}}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

i = i_{0} (1 + \frac{t}{t_{0}})

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

i = i_{0} (\frac{t}{t_{0}} - 1)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

i = i_{0} (1 - \frac{t}{t_{0}})

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D $i = i_{0} (1 - \frac{t}{t_{0}})$
Equation of this line $= \frac{y}{y_{0}} + \frac{x}{x_{0}} = 1$
Here $y = i, y_{0} = i_{0} x = t, x_{0} = t_{0} \frac{i}{i_{0}} + \frac{t}{t_{0}} = 1 i = (1 - \frac{t}{t_{0}}) i_{0}$

Suggest Corrections

thumbs-up

0

Similar questions

Q. A block moves in a straight line with velocity v for time

t_{0} .

Then, its velocity becomes 2v for next

t_{0}

time. Finally its velocity becomes 3v for T. If average velocity during the complete journey was 2.5 v, then find T in terms of

t_{0} .

Q. A pure inductor, pure capacitor, and two pure equal resistors are connected as shown in the circuit, such that

L = 2 R^{2} C

.
At an instant

t = 0

, the switch is closed. If

i_{1}

i_{2}

are currents shown in branches at some time

t = t_{o}

\frac{d i_{1}}{d t} + \frac{d i_{2}}{d t} = 0

is satisfied, then

Q. A thermally insulated piece of metal is heated under atmospheric pressure by an electric current so that it receives electric energy at a constant power

P

. This leads to an increase of absolute temperature

T

of the metal with time

t

T (t) = T_{0} {[1 + a (t - t_{0})]}^{0.25}

a

t_{0}

T_{0}

are constants. The heat capacity

C_{p} (T)

of the metal is

Q. The switches in figure (a) and (b) are closed at t = 0 and reopened after a long time at t = t₀.

(a) The charge on C just after t = 0 is εC.
(b) The charge on C long after t = 0 is εC.
(c) The current in L just before t = t₀ is ε/R.
(d) The current in L long after t = t₀ is ε/R.

Q. Let i₀ be the thermionic current from a metal surface when the absolute temperature of the surface is T₀. The temperature is slowly increased and the thermionic current is measured as a function of temperature. Which of the following plots may represent the variation in (i/i₀) against (T/T₀)?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Cell and Cell Combinations

PHYSICS

Watch in App

explore_more_icon

Explore more

Mixed Combination of Cells

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon