Question is ⇒ An RC circuit initially at rest has a step signal. The response V(t) across C is V(t) = 1 - e-at, If now there is an initial voltage on C of 2 volts for the same step signal, V(t) is now, Options are ⇒ (A) 1 + e -at, (B) 1 + 2e -at, (C) 2 - e -at, (D) 3 - e -at, (E) , Leave your comments or Download question paper.

Question is ⇒ An RC circuit initially at rest has a step signal. The response V(t) across C is V(t) = 1 - e-at, If now there is an initial voltage on C of 2 volts for the same step signal, V(t) is now, Options are ⇒ (A) 1 + e -at, (B) 1 + 2e -at, (C) 2 - e -at, (D) 3 - e -at, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	An RC circuit initially at rest has a step signal. The response V(t) across C is V(t) = 1 - e^-at, If now there is an initial voltage on C of 2 volts for the same step signal, V(t) is now
A.	1 + e ^-at [Correct Answer]
B.	1 + 2e ^-at [Wrong Answer]
C.	2 - e ^-at [Wrong Answer]
D.	3 - e ^-at [Wrong Answer]
View Answer 6 -4 Explanation:- Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ A semiconductor in its purest form called
intrinsic semiconductor
extrinsic semiconductor
P-type semiconductor
N-type semiconductor

⇒ Consider the following statements about Infix and Post fix notations in Pascal

In Infix notation operators appear between the operands on which they operate.
In Post fix notation operators appear after the operand.
The Infix expression A + B - C + D will appear as AB + C - D + in post fix notation.

Which of the above are correct?
All
1 and 2 only
1 and 3 only
2 and 3 only

⇒ The circuit of figure is ca
current mirror
voltage mirror
impedance inversion
phase splitting

⇒ A voltage tripler circuit uses
2 diodes and 2 capacitors
3 diodes and 3 capacitors
2 diodes and 3 capacitors
3 diodes and 2 capacitors

⇒ The signal m(t) = 10 cos 100 pt is sampled at the rate of F_s = 75 H_z, then determine signal after sampling.
4 cos 100 pt + 8 sin 200 pt
4 cos 100 pt + 8 sin 200 pt + cos 75 pt
4 cos 25 pt + 8 sin 50 pt + cos 75 pt
none

⇒ The purpose of impedance matching in an amplifier circuit is to achieve
high efficiency
reduce distortion
maximum power transfer
none of the above

⇒ Kirchoff's voltage law is not valid for a non-linear network
the statement is true
the statement is false
can't say
none of the above

⇒ The impulse response h[n] of a linear time invariant system is given by h[n] = ∪[n + 3 ] + ∪[n - 2] -2∪[n -7]. The above system is
stable but non-casual
stable and casual
casual but unstable
unstable and not casual

⇒ Schering bridge operates at a high voltage of about 10 kV.
TRUE
FALSE

⇒ A fully controlled bridge converter can operate in quadrants
1
1 and 2
1 and 3
1 and 4

⇒ Which one of the following is true?
Alternating voltage and current contain odd and even harmonics
The inductance in a circuit reduces the effect of harmonics and makes current wave more sinusoidal than voltage wave
Alternating voltage and current waveforms, in general, do not contain odd harmonics
Inductance of a circuit does not alter wave shape at all

⇒ If the connection of two-port is such that the transmission matrix of the overall network is the product of the transmission matrices of the individual networks, what type of connection is it?
Series connection
Cascade connection
Parallel connection
None of the above

⇒ The signal defined by the equations f(t) = 0 for t < 0, f(t) = E for 0 ≤ t ≤ a and f(t) = 0 for t > a is
a step function
a pulse function
a shifted step function originating at t = a
none of the above

⇒ CE mode input V-I characteristic can be shown by a plot of
V_BE versus i_B for constant values of V_CE
V_CB versus i_C for constant values of I_E
V_CE versus i_E for constant values of V_EB
V_CE versus i_E for constant values of V_CE

⇒ A number given in binary as 0101.01 is to be scaled up 4 times. The scaled up binary is
10101
1.0101
404.04
10.101

⇒ In the television system in India, each channel is allowed a bandwidth of
20 MHz
12 MHz
7 MHz
3 MHz

⇒ In a hi-fi system the nonlinear distortion should be less than
0.1
0.05
0.02
0.01

⇒ Ohmic range of carbon composition resistors is
10 to 100 ohms
10 to 10 K ohms
10 to 200 ohms
10 to 25 M ohms

⇒ Which family of logic circuits uses field effect transistors?
TTL
CMOS
Both LED and well as LCD
None of the above

⇒ The velocity of sound waves in air
is constant at all temperatures
varies directly as temperature
varies inversely as absolute temperature
varies directly as square root of absolute temperature

⇒ A ring counter with 5 flip flops will have
5 states
10 states
32 states
infinite states

⇒ The power input and output in a device are 3650 W and 3385 W with each reading in doubt by ± 10 W. The percentage uncertainty in losses is
± 7.55%
± 3.77%
± 11.32%
± 15.09%

⇒ Permittivity has the units of F/m.
TRUE
FALSE

⇒ The decimal equivalent of binary 1101.11 is
9.75
13.75
11.5
11.75

⇒ In an FM system, when the AF is 500 Hz and the AF voltage is 2.4 V, the deviation is 4.8 kHz. If the AF voltage is now increased to 7.2 V, the new deviation will be
4.8 kHz
9.6 kHz
14.4 kHz
28.8 kHz

⇒ In the wave mechanical theory, the maximum of the charge distribution in the ground state occurs for a distance from the nucleus equal to
first Bohr radius
second Bohr radius
third Bohr radius
either first or second Bohr radius

⇒ The word enhancement mode is associated with
tunnel diode
MOSFET
JFET
photo diode

⇒ Antiferromagnetic materials do not have permanent dipoles.
TRUE
FALSE

⇒ In a oscillator, a sine wave generator starts at t = 0. It consist of
Pure sine wave
Pure cosine wave
Unity for t > 0
2∪(t) - 1

⇒ Which of the following devices has metal-silicon junction?
General purpose power diode
Schottky diode
SCR
MOSFET