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Soft iron is suitable for making temporary magnets. | |
A. | TRUE [Correct Answer] |
B. | FALSE [Wrong Answer] |
View Answer
Explanation:-
Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ Electric dipole moment is usually expressed in debye units. Here, 1 debye unit equals
3.33 x 10^{-30} C-m
3.33 x 10^{-30} C-m^{2}
3.30 x 10^{-10} C-m
3.33 x 10^{-10} C-m^{2}
⇒ In DTL the junction transistor serves as
inverter
buffer amplifier
both (a) and (b)
none of the above
⇒ The function Y = A B C + AB C + A B C + A BC is to be realized using discrete gates. The inputs available are A, B, C. We need a total of
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6 gates
10 gates
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⇒ A D-flip-flop is
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⇒ Optical encoders most commonly used in control systems are
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⇒ A periodic rectangular signal, x(t) has the waveform shown in the given figure. Frequency of the fifth harmonic of its spectrum is _______
200 Hz
250 Hz
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⇒ A metal loses electrons at room temperature.
TRUE
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⇒ In a uniform plane wave E and H are related by
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⇒ What is the address space of 8086 CPU?
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⇒ Fields are said to be circularly polarized if
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⇒ A high frequency series inverter consists of
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⇒ If f_{h}(t) is Hilbert transform of f(t), then Hilbert transform of f_{h}(t) is
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348
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⇒ The slope of log magnitude curve near the cut off frequency is called cut off rate.
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⇒ The magnitude response of a normalised Butterworth low pass filter is
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SQRT (3 * B ** 2 - 5 * A ** 2)
SQRT 3 * B ** 2 - 5 * A ** 2
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⇒ Which of the following expressions is invalid in Fortran?
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⇒ An ammeter has a resistance of 50 ohms and a shunt of 0.01 Ω. The deflection is θ. If the shunt resistance is increased to 0.02 Ω, the deflection will be.
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⇒ A seven bit (even parity) code 0010001 may have error. The correct code is
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⇒ A series RLC circuit has a resonance frequency of 1 kHz and a quality factor Q = 100. If each of R, L and C is doubled from its original value, the new Q of the circuit is
25
50
100
200
⇒ Electric dipole moment is usually expressed in debye units. Here, 1 debye unit equals
3.33 x 10^{-30} C-m
3.33 x 10^{-30} C-m^{2}
3.30 x 10^{-10} C-m
3.33 x 10^{-10} C-m^{2}
⇒ In DTL the junction transistor serves as
inverter
buffer amplifier
both (a) and (b)
none of the above
⇒ The function Y = A B C + AB C + A B C + A BC is to be realized using discrete gates. The inputs available are A, B, C. We need a total of
8 gates
6 gates
10 gates
5 gates
⇒ A D-flip-flop is
dial type flip-flop
delay flip-flop
differential flip-flop
digital flip-flop
⇒ Optical encoders most commonly used in control systems are
absolute encoders
secondary encoders
incremental encoders
none of the above
⇒ A periodic rectangular signal, x(t) has the waveform shown in the given figure. Frequency of the fifth harmonic of its spectrum is _______
200 Hz
250 Hz
400 Hz
1250 Hz
⇒ A metal loses electrons at room temperature.
TRUE
FALSE
⇒ In a uniform plane wave E and H are related by
E/H = 1
E/H = ε/μ
E/H = μ/ε
none of the above
⇒ In a half bridge inverter, the freewheeling diodes are needed
even when load is resistive
only when load is inductive
only when load is inductive or capacitive
for all types of loads
⇒ In an Anderson bridge the unknown inductance is measured in terms of
known inductance and resistance
known inductance
known capacitance and resistance
known capacitance
⇒ What is the address space of 8086 CPU?
One Megabyte
256 Kilobytes
1 K Megabytes
64 Kilobytes
⇒ Fields are said to be circularly polarized if
their magnitudes are equal
their magnitudes are equal and they differ in phase by ± 90°
their magnitudes are unequal and they differ in phase ± 90°
their magnitudes are unequal and they are in phase
⇒ A single phase semiconverter is supplying RLE load and has a freewheeling diode across the load. The firing angle is a. The freewheeling diode conducts for
a° in each half cycle
(p - a)° in each cycle
a° in one full cycle
(p + a)° in each half cycle
⇒ A high frequency series inverter consists of
a number of series inverters in series
a number of series inverters in parallel
a number of parallel inverters in parallel
a number of parallel inverters in series
⇒ A transistor is operated as non-saturated switch to eliminate
turn on time
turn off time
storage time
delay time
⇒ If f_{h}(t) is Hilbert transform of f(t), then Hilbert transform of f_{h}(t) is
-f(t)
+f(t)
f^{2}(t)
f(t)
⇒ The decimal equivalent of ABC_{16} is
348
2583
2748
33
⇒ The slope of log magnitude curve near the cut off frequency is called cut off rate.
TRUE
FALSE
⇒ De Sauty bridge is very widely used due to
simplicity
perfect balance for imperfect capacitor
perfect balance for air capacitors
maximum sensitivity
⇒ In monolithic ICs, all the components are fabricated by
diffusion process
oxidation
evaporation
none
⇒ The magnitude response of a normalised Butterworth low pass filter is
linear starting with value of unity at zero frequency and 0.707 at cut off frequency
non linear all through but with values of unity at zero frequency and 0.707 at cut off frequency
linear upto cut off frequency and nonlinear thereafter
nonlinear upto cut off frequency and linear thereafter
⇒ A machine cycle has one clock cycle.
TRUE
FALSE
⇒ FORTRAN expression for 3b^{2}-5a^{2} is
SQRT (3 * B ** 2 - 5 * A ** 2)
SQRT 3 * B ** 2 - 5 * A ** 2
SQRT (3 * b ** 2 - 5 * a ** 2)
SQRT (3 * B ** 2) - SQRT (5 * A **2)
⇒ The most commonly used microphone for public address systems is
carbon
crystal
moving coil
condenser
⇒ In figure, the power dissipated in 4 resistance is P_{1} and power associated with 3 A source is P_{2}.
P_{1} = P_{2}
P_{1} < P_{2}
P_{1} > P_{2}
P_{1} may be equal or less than P_{2}
⇒
Match the following:
List I (μP) | List II (Number of bits in register) | ||
---|---|---|---|
A. | 8085 | 1. | 32 bit |
B. | 8086 | 2. | 16 bit |
C. | 68000 | 3. | 8/16 bit |
A-1, B-2, C-3
A-2, B-3, C-1
A-3, B-2, C-1
A-3, B-1, C-2
⇒ Which of the following expressions is invalid in Fortran?
IA + IB
IB * IC / ID
IA * B
- K * I + J
⇒ An ammeter has a resistance of 50 ohms and a shunt of 0.01 Ω. The deflection is θ. If the shunt resistance is increased to 0.02 Ω, the deflection will be.
θ
2θ
0.5θ
0.25θ
⇒ A seven bit (even parity) code 0010001 may have error. The correct code is
10001
1110001
11001
1111110
⇒ A series RLC circuit has a resonance frequency of 1 kHz and a quality factor Q = 100. If each of R, L and C is doubled from its original value, the new Q of the circuit is
25
50
100
200