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Q1. | A dependent source |

A. | may be a current source or voltage source [Wrong Answer] |

B. | is neither a current source nor a voltage source [Wrong Answer] |

C. | is always a voltage source [Wrong Answer] |

D. | is always a current source [Correct Answer] |

View Answer
Explanation:-
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**Also Read Similar Questions Below :**

⇒ 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

⇒ For the truth table of the given figure

A + B + C

A + BC

A

B

⇒ An unmodulated voltage 10

*V*effective is applied to a dioxide detector in which load resistance is 4 x 10

^{-5}ohms. A micrometer shows that the rectified DC current in this resistance is 30

*A*. The input resistance of the detector is

114 kW

336 kW

384 kW

455 kW

⇒ 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}

⇒ The circuit realizes the func

(A + B) E + CD

(A + B) (E + CD)

(A + B) (E + C + D)

(AB + E). CD

⇒ An audio signal of FM radio station is sampled at a rate of 15% above the Nyquist rate. Signal is sampled in 512 levels and bandwidth of the signal is 4 KHz. The minimum bandwidth required to transmit this signal will be

77 K bits/sec

92 K bits/sec

84.8 K bits/sec

82.8 K bits/sec

⇒ Large scale integration refers to

more than 50 gates on the same chip

more than 80 gates on the same chip

more than 100 gates on the same chip

none of the above

⇒ When a JFET is cut off, it's like an __________ switch and when it is saturated, it's like a __________ switch.

closed, open

open, closed

open, open

closed, closed

⇒ In a pulsed RADAR, the transmitter is connected to the antenna

during pulse interval

during interval between pulses

all the time

only during a fraction of pulse interval

⇒ The ac collector current is nearly equal to

ac base current

ac signal current

ac supply current

ac emitter current

⇒ In figure, the switch is closed at

*t*= 0. After some time

*i*= 6A and rate of change of current was 4A/s. The value of inducto

1 H

1.5 H

indeterminate

0.5 H

⇒ An amplifier without feedback has a voltage gain of 50, input resistance of 1 kΩ and output resistance of 2.5 kΩ. The input resistance of the current shunt -

*ve*feedback amplifier using the above amplifier with a feedback factor of 0.2 is

1/11 kΩ

1/5 kΩ

5 kW

11 kW

⇒ Hari (H), Gita (G), Irfan (I) and Saira (S) are sibiligs (i.e. brothers and sisters). All were born on 1st January. The age difference between any two successive siblings (that is born one after another) is less than 3 years. Given the following fa

HSIG

SGHI

IGSH

IHSG

⇒ In figure, the short circuit current through terminal AB wil

0.125

1.5 A

0.0833333333333333

0.0416666666666667

⇒ When narrow current pulses drive a high Q resonant circuit the voltage across the circuit looks like

narrow pulses

half sine wave

almost sine wave

either (a) or (b)

⇒ In the circuit of figure both diodes are ideal. If

*v*

_{1}= 10 V and

*v*

_{2}= 10 V which diode will cond

D

_{1}only

D

_{2}only

Both D

_{1}and D

_{2}

Neither D

_{1}nor D

_{2}

⇒ As per BIS, the number of accuracy classes of instrument is

5

6

7

8

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | Digital counter | 1. | Measurement of harmonics |

B. | Schering Bridge | 2. | Measurement of frequency |

C. | Meggar | 3. | Measurement of loss angle of dielectric |

D. | Spectrum analyser | 4. | Measurement of insulation resistance |

A-1, B-2, C-3, D-4

A-4, B-3, C-2, D-1

A-2, B-3, C-4, D-1

A-4, B-1, C-3, D-2

⇒ The band gap of Si at room temperature is

1.3 eV

0.7 eV

1.1 eV

1.4 eV

⇒ Counterpoise is used in coils having

high resistivity

low resistivity

medium resistivity

both (b) and (c)

⇒ A digital clock uses __________ chip

SSI

LSI

VLSI

MSI

⇒ Which memory is available in all technologies?

PROM

EEPROM

ROM

EPROM

⇒ As per Euler's identity

*e*

^{jωt}= cos ω

*t*+

*j*sin ω

*t*

TRUE

FALSE

⇒ In microwave communication, some times, microwave signals reach large distances by following the earth curvature. This phenomenon is called

tropospheric scatter

faraday effect

ionospheric reflection

ducting

⇒

Match the following:

List I (Theorems) | List II (Property of Network) | ||
---|---|---|---|

A. | Reciprocity | 1. | Impedance matching |

B. | Tellegen's | 2. | Bilateral |

C. | Superposition | 3. | ∑ V_{jk} I_{jk} = 0 |

D. | Maximum power transfer | 4. | Linear |

5. | Non linear |

A-1, B-2, C-3, D-4

A-1, B-2, C-3, D-5

A-2, B-3, C-4, D-1

A-2, B-3, C-5, D-1

⇒ Assuming accumulator contain A 64 and the carry is set (1). What will register A and (CY) contain after ADI A4H?

4 AH, 0

4 AH, 1

4 BH, 0

4 BH, 1

⇒ The gate lead, in a thyristor is welded to :

*p*layer to which anode is connected

*n*layer nearest to the anode terminal

*p*layer nearest to the cathode terminal

outside

*n*layer

⇒ In the expression

*a*= 5 * 2 / 3.2 + 4 / 8 - 2 + 5 / 9 which operation will have the first priority in C?

5*2

2 / 3.2

5 * 2 / 3.2

42833

⇒ Which of the following needs DC forward voltage to emit light?

LED

LCD

Both LED as well as LCD

None of the above

⇒ Given figure shows the magnitude plot for a system. The steady state error for unit step inpu

1/101

1/100

14977

14611