Question is ⇒ The number of electrons in motion at the instant of positive peak of a symmetrical ac wave is the same as that at the instant of negative peak., Options are ⇒ (A) TRUE, (B) FALSE, (C) , (D) , (E) , Leave your comments or Download question paper.

Question is ⇒ The number of electrons in motion at the instant of positive peak of a symmetrical ac wave is the same as that at the instant of negative peak., Options are ⇒ (A) TRUE, (B) FALSE, (C) , (D) , (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The number of electrons in motion at the instant of positive peak of a symmetrical ac wave is the same as that at the instant of negative peak.
A.	TRUE [Correct Answer]
B.	FALSE [Wrong Answer]
View Answer 1 -1 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 4 bit DAC gives an output of 4.5 V for input of 1001. If input is 0110, the output is
1.5 V
2.0 V
3.0 V
4.5 V

⇒ Two messages m₁, and m₂ have a probability of 0.5 each. The entropy is
0.25
0.5
0.75
1

⇒

Assertion (A): The function δ'(t - b) is equal to 0 for t ≠ b

Reason (R): A number of impulses spaced from one another form an impulse train.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true

⇒ The circuit shown in the figure is tha
non-inverting amplifier
Inverting amplifier
an oscillator
Schmitt trigger

⇒ The function off an oxide layer in an IC device is to

mask against diffusion or ion implantation
insulate the surface electrically
increase the melting point of Si
produce a chemically stable protective layer

1, 2, 3
1, 3, 4
2, 3, 4
4, 1, 2

⇒ For a wave propagating in air filled rectangular waveguide.
guide wavelength is never less than free space wavelength.
wave impedance is never less than the free space impedance
TEM mode is possible if the dimension of the waveguide are properly chosen.
propagation constant is a real quantity.

⇒ The box on the external left of the title bar of menu is called control menu box.
TRUE
FALSE

⇒ In an R-S latch, race condition occurs when
R is low and S is high
R and S are high
R and S are low
R is high and S is low

⇒ A voltage v = 100 sin (100 pt + 45°) V is applied to an impedance 10 + j10 ohm. The current is
10 ∠45° A
7.07 ∠45° A
5 ∠45° A
5 ∠0 A

⇒ A FET has
very high input resistance
very low input resistance
high connection emitter junction
forward biased PN junction

⇒ The energy stored in a coil is 108 J. It is opened suddenly in 10 ms. The power dissipated instantaneously across the blades of switch is
108 W
1080 W
10800 W
108000 W

⇒ Which of the following circuit does not need a coupling capacitor?
Resistance loaded
Transformer coupled
Impedance coupled
Single tuned

⇒ Which gives minimum probability of error?
ASK
FSK
PSK
DPSK

⇒ If Z is the number of zeros of 1 + G(s) H(s) in the right half s plane. N is the number of clockwise encircle elements of (-1 + jo) point. P is the number of poles of G(s) H(s) in right half s plane. The Nyquist stability criterion can be expressed as
Z = N + P
Z = P/N
Z = N - P
Z = PN

⇒ Secondary emission occurs in
diode
triode
tetrode
pentode

⇒ Consider the following expressions in J
42, 40, 42 respectively
42, 42, 42 respectively
40, 42, 42 respectively
40, 40, 42 respectively

⇒ The static electric field in a conductor is
zero
unity
infinity
none of the above

⇒ The maximum power handling capacity of a resistor depends on
total surface area
resistance value
thermal capacity of the resistor
resistivity of the material used in the resistor

⇒ The current passing through a resistance of 100 ± 0.2% Ω is 2 ± 0.5% A. The limiting error in computation of power will be
± 0.7%
± 0.9%
± 1.2%
± 0.3%

⇒ A/D parallel converter is also called flash converter.
TRUE
FALSE

⇒ The minority carrier life time and diffusion constant in a semiconductor material are respectively 100 microsecond and 100 cm²/sec. The diffusion length is
0.1 cm
0.01 cm
0.0141 cm
1 cm

⇒ In anti-ferromagnetic materials, the graph of susceptibility versus temperature shows a sharp maximum at a certain temperature. This temperature is known as
Curie temperature
Neel temperature
Weiss temperature
Bitter temperature

⇒ In a specimen of ferromagnetic material, as the flux density is increased from zero to 2.5 T, µ_r will
increase
decrease
first decrease then increase
first increase then decrease

⇒ RMS value of a square wave is the same as peak value.
TRUE
FALSE

⇒ The device having highest photo sensitivity is
photoconductive cell
photovoltaic cell
photodiode
phototransistor

⇒ For resonant long wire antenna 'n' half wavelength long in free space, if 'n' is increased then inclination of the major lobe with wire axis will __________ .
increases
decreases
remains same
none

⇒ For exponential function e^-at the Laplace transform 1/(s - a)
TRUE
FALSE

⇒ A clamper
adds a dc component to the input signal
removes signal voltages above or below a specified value
both (a) and (b)
either (a) or (b)

⇒ In the given figure shows a 3 bit shift register using TTL flip flops. Initially all the flip flops are set to 0 state. After 8 clock pul
A = 1, B = 1, C = 1
A = 1, B = 1, C = 0
A = 0, B = 1, C = 1
A = 0, B = 0, C = 1

⇒ A practical Parallel resonant circuit has a coil in Parallel with a 0.14 μf capacitor. The coil has an inductance of 1 mH and a resistance of 10 ohms. The Q of the circuit is
1000
100
10
1