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Q1. | Dielectric strength of polythene is around |

A. | 10 kV/mm [Wrong Answer] |

B. | 40 kV/mm [Correct Answer] |

C. | 100 kV/mm [Wrong Answer] |

D. | 140 kV/mm [Wrong Answer] |

View Answer
Explanation:-
Answer : BDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ If

*e*= 10 sin(10

^{8}

*t*+ 3 sin 10

^{4}

*t*) then the modulation index is

1

2

3

4

⇒ The number of comparator circuits required to build a three-bit simultaneous A/D converter is

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8

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⇒ Consider the following statements about constants in 8085

- The assembler treats 64 H as hexadecimal constant.
- The assembler treats 154 as binary constant.
- The assembler treats 540 as octal constant.
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1, 2 and 3 only

1, 3 and 4 only

1 and 3 only

2 and 4 only

⇒ A seven bit (even parity) code 0010001 may have error. The correct code is

10001

1110001

11001

1111110

⇒

Match the following:

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

A. | Multiplexer | 1. | Sequential memory |

B. | De-multiplexer | 2. | Converts decimal number to binary |

C. | Shift register | 3. | Data selector |

D. | Encoder | 4. | Routes single input to many outputs |

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

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

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

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

⇒

**Assertion (A):** At a temperature of 1000 K, thermionic emission current is about 0.1 A/cm^{2} of surface.

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Both A and R are true and R is correct explanation of A

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

A is true but R is false

A is false but R is true

⇒ In the circuit of figure the current through 5 Ω resistance at

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0.416666666666667

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⇒ PAM stands for

Phase Angle Modulation

Phase Amplitude Modulation

Pulse Amplitude Modulation

Pulse Angle Modulation

⇒

**Assertion (A):** In AM carrier component remains constant in amplitude and frequency.

**Reason (R):** In AM the two side bands are images of each other.

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

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good attenuation characteristics

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halved

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quadrupled

⇒ A high pulse repetition frequency in a radar

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decreases the maximum range

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either (a) or (b) depending on other factors

⇒ The superposition theorem is applicable to

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49 ∠30°

49 ∠15°

49 ∠7.5°

⇒ The function Z(

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the degree of numerator and denominator of Z(

*s*) are equal

the numerator of Z(

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the denominator of Z(

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the degree of numerator and denominator are either equal or differ by one

⇒ In the op-amp circuit of figure, V

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⇒ Transit time is considered as significant at

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⇒ A meter with a resistance of 100 Ω and a full scale deflection of current of 1 mA is to be converted into voltmeter of 0 - 5 V range. The multiplier resistance should be

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5000 Ω

4900 Ω

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⇒ In Fortran 77 negation is a unary operation.

TRUE

FALSE

⇒ The resistance in the circuit of the moving coil of a dynamometer wattmeter should be

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high

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⇒ If poles lie in first quadrant, damping ratio is

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⇒ The number of channels available in MF band (300 kHz - 3 MHz) for AM modulating signal of 20 kHz is

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