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Consider the following statements about expressing real constants in exponential form in C
| |
A. | 1 only [Wrong Answer] |
B. | 1 and 4 only [Correct Answer] |
C. | 1, 3 and 4 only [Wrong Answer] |
D. | 4 only [Wrong Answer] |
View Answer
Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
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TRUE
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10 minutes on 5 consecutive days
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30 minutes for 5 consecutive days
one hour for 5 consecutive days
⇒ The pure capacitor connected across an A.C. voltage consumed 20 W. This is due to
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⇒ A transmission line of characteristic impedance z_{0} = 50 Ω. Phase Velocity = 2 x 10^{8} m/sec, and length l = 1 m is terminated by a load z_{1} = (30 - j 40) ohms. The input impedance of the line for a frequency of 100 MHz will be
(30 + j x 40) Ω
(30 - j 40) Ω
(50 + j x 40) Ω
(50 - j 40) Ω
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Match the following:
List I | List II | ||
---|---|---|---|
A. | 200 MHz | 1. | SHF |
B. | 20 GHz | 2. | UHF |
C. | 500 kHz | 3. | VHF |
D. | 500 MHz | 4. | MF |
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two CB amplifiers
two CC amplifiers
two cascaded CC amplifiers
two cascaded CE amplifiers
⇒ In a bipolar junction transistor a_{dc} = 0.98, I_{CO}= 2 μA and 1_{B} = 15 μA. The collector current I_{C} is
635 mA
735 mA
835 mA
935 mA
⇒ Which of the following pairs of octal and binary numbers are not equal?
111 11011_{2} = 767_{8}
110110101_{2} = 665_{8}
11010_{2} = 3_{8}
10101.11_{2} = 25.6_{8}
⇒ A single phase semiconverter is feeding a highly inductive load and has a freewheeling diode across the load. The waveshape of input current is
sinusoidal
rectangular
sinusoidal or rectangular
triangular
⇒ Permalloy is
a variety of stainless steel
a polymer
a conon-ferrous alloy used in aircraft industry
a nickel an iron alloy having high permeability
⇒ Poynting vector is associated with which of the following?
Power flow in electromagnetic
Flux in magnetic field
Charge in electrostatic field
Current in electrostatic field
⇒ Assuming earth to be a sphere of radius 6400 km and height of a geosynchronous satellite above Earth as 36000 km, the velocity of a geosynchronous satellite is __________ km/hr.
28000
15000
36000
11100
⇒ The polar plot for positive frequencies is shown below. The gain margi
- 8.02 dB
6.02 dB
5 dB
none of these
⇒ In satellite communication, frequency modulation is used because satellite channel has
small bandwidth and negligible noise
large bandwidth and severe noise
maximum bandwidth and minimum noise
high modulation index
⇒ Semiconductor ROM's are sometimes preferred to semiconductor RAM's because
ROM's are cheaper than RAMs
ROMs are faster
ROMs do not require power supply for their operations
Programs stored in ROMs cannot be altered either by the power failure or by the user
⇒ If VSWR is infinite, the transmission line is terminated in
short circuit
complex impedance
open circuit
either (a) or (c)
⇒ The pole-zero plot given below corresponds
low pass filter
high pass filter
band pass filter
notch filter
⇒ Assume that op-amp in figure is ideal. If input V_{i} is triangular, the output V_{0} wil
square wave
sine wave
triangular wave
parabolic wave
⇒ Which of the following theorems enables a number of voltage (or current) sources to be combined directly into a single voltage (or current) source?
Superposition theorem
Compensation theorem
Millman's theorem
Thevenin's theorem
⇒ In a certain '12 channel TDM' system it is found that channel no. 3 and channel no. 8 are connected to the same input signal. This technique
wastes the channel capacity
takes care of different sampling rate
is required when different bandwidth signals are to be transmitted
reduces noise
⇒ In the given fi
0 rad/sec
2 rad/sec
3/2 rad/sec
None of these
⇒ The coil of a moving iron instrument has a resistance of 500 Ω and an inductance of 1 H. It reads 250 V when a 250 V dc is applied. If series resistance is 2000 Ω, its reading when fed by 250 V, 50 Hz ac will be
260 V
252 V
250 V
248 V
⇒ A sinusoidal voltage is written as v = I_{m} (R^{2} + X_{C}^{2})^{0.5} sin 314 t. Its peak value and frequency are
I_{m} and 50
I_{m} (R_{2} + X^{2}_{C})^{0.5} and 50
0.707 I_{m} (R_{2} + X^{2}_{C})^{0.5} and 50
2 I_{m} (R_{2} + X^{2}_{C})^{0.5} and 50
⇒ An RLC series circuit is excited by a step voltage E. The circuit current at t = 0 is
E/R
E/LC
zero
infinity
⇒ The integral of k δ(t) is
a step function of magnitude k
a step function 'of magnitude 1/k
a ramp of slope k
a ramp of slope 1/k
⇒ In a series regulated power supply circuit the voltage gain of pass transistor satisfies the condition
A_{v} → ∞
1 << A_{v} → ∞
A_{v} ≈ 1
A_{v} << 1
⇒ In a CRO the Y plates are oriented
horizontally
vertically
at an angle of 20° of horizontal
at an angle of 70° of horizontal
⇒
Assertion (A): The velocity factor of a line is the ratio of wave velocity on the line to speed of light.
Reason (R): If the conductors of a line are immersed in a non magnetic insulating liquid, the wave velocity increases.
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 correct but R is wrong
A is wrong but R is correct
⇒ Bode magnitude plot is drawn between
magnitude of network function and ω
dB magnitude and log ω
dB magnitude and ω
log_{e} (magnitude) and log ω
⇒ As temperature increases the number of free electrons and holes in an intrinsic semiconductor
increases
decreases
remains the same
may increase or decrease