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Q1. | When the core of a saturable reactor is saturated, the inductance is high. |

A. | TRUE [Wrong Answer] |

B. | FALSE [Correct Answer] |

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**Also Read Similar Questions Below :**

⇒ A 37 bit mantissa has an accuracy of

6 decimal places

8 decimal places

10 decimal places

11 decimal places

⇒ The amount of photoelectric emission current depends on

frequency of incident radiation

intensity of incident radiation

both frequency and intensity of incident radiation

none of the above

⇒ A pure tone at 1000 Hz has a dB level of 40 dB. If the required dB level is 100, the number of such tones is

2.5

60

10

^{4}

10

^{6}

⇒ As compared to BJT, MOSFET has

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higher switching losses and higher conduction losses

higher switching losses and lower conduction losses

lower switching losses and lower conduction losses

⇒ A rectangular waveguide has a discontinuity in the form of reduced narrow dimension. In the equivalent circuit this discontinuity can be represented by

a shunt capacitance at the discontinuity

a shunt inductance at the discontinuity

a shunt resistance at the discontinuity

none of the above

⇒ X COPY is an internal DOS command.

TRUE

FALSE

⇒ The number of flags available in 6800 are

6

5

7

4

⇒ A dc separately excited motor has a constant field current. The armature is fed from a single phase supply through a semi-converter. When a = 0, speed is 600 rpm. If a = 90°, the speed is likely to be

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about 150 rpm

about 75 rpm

about zero

⇒ Which one of the following gain equations is correct for a MOSFET common-source amplif

A

_{V}=

*g*

_{m}/(1 - R

_{D})

A

_{V}=

*g*

_{m}/R

_{D}

A

_{V}=

*g*

_{m}/(1 + R

_{D})

A

_{V}= R

_{D}/

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⇒ (29)

_{13}÷ (29)

_{12}x (29)

_{x}= (23)

_{16}Find

*x*

11

12

13

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⇒ The dimension of flux density is

MT

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^{-1}

MT

^{-2}

MT

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MT

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^{-2}

⇒ Choose the correct statement

The reflection coefficient (r) of a transmission line is greater than 1

r varies from 0 to ∞

r is less than or equal to 1

r varies from - ∞ to + ∞

⇒ If the p and T circuits in figure are equivalent, then R

_{1}, R

_{2}, R

_{3}respectively

9 Ω, 6 Ω, 6 Ω

6 Ω, 6 Ω, 9 Ω

9 Ω, 6 Ω, 9 Ω

6 Ω, 9 Ω, 6 Ω

⇒ The communicating capacitor reduces turn on time because

it acts as an open circuit

it allows maximum base circuit to flow

it aids in removing the excess carrier from the base region

none of these

⇒ In the spectrum of a frequency modulated wave

carrier frequency cannot disappear

carrier frequency vanishes when modulation index is large

the number of significant sidebands depends upon modulation index

none of the above

⇒ A binary adder has

one half adder

one half adder and 2 full adders

two half adders

one half adder and many full adders

⇒ In the circuit, the value of the voltage sour

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⇒ Which element exhibits the property of inertia?

Resistance

Capacitance

Inductance

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⇒ In a minimum phase system

all poles lie in the left half plane

all zeros lie in the left half plane

all poles lie in the right half plane

all except one pole or zero lie in the left half plane

⇒ The following table gives some time functions and the Laplace transf

2 and 4

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3 and 4

1 and 2

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are unequal in magnitude and have a phase difference of 90°

⇒ How much r.m.s. current does a 300 W, 200 V bulb take from the 200V, 50 Hz power line?

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⇒ The function of interface circuit is

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0.18 J

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⇒ The advantage of modified series inverter with two inductors and two capacitors is

the intermittent operation of battery is avoided

efficiency of circuit is more

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⇒ In figure, the current I

_{410 ∠05 ∠90°5 ∠270°10 ∠90°}

⇒ In a metal the probability of a state 0.1 eV below Fermi level being occupied

is more than the probability of state 0.1 eV above Fermi level being occupied

is the same as the probability of state 0.1 eV above Fermi level being occupied

is less than the probability of state 0.1 eV above Fermi level being occupied

may be equal to or more or less than the probability of state 0.1 eV above Fermi level being occupied

⇒ The drift velocity of electrons is

very small as compared to speed of light

equal to speed of light

almost equal to speed of light

half the speed of light

⇒ Bandwidth is proportional to speed of response.

TRUE

FALSE