Sail E0 Webinar

MCQs

Total Questions : 330 | Page 9 of 33 pages
Question 81. What happens to the potential drop between the two plates of a capacitor when a dielectric is introduced between the plates?
  1.    Increases
  2.    Decreases
  3.    Remains the same
  4.    Becomes zero
 Discuss Question
Answer: Option B. -> Decreases
Answer: (b).Decreases
Question 82. If the potential difference across the plates of a capacitor is 10V and a dielectric having thickness 2m is introduced between the plates, calculate the potential difference after introducing the dielectric. The electric field strength is 2V/m.
  1.    4V
  2.    6V
  3.    8V
  4.    10V
 Discuss Question
Answer: Option B. -> 6V
Answer: (b).6V
Question 83. What happens to the potential difference between the plates of a capacitor as the thickness of the dielectric slab increases?
  1.    Increases
  2.    Decreases
  3.    Remains the same
  4.    Becomes zero
 Discuss Question
Answer: Option B. -> Decreases
Answer: (b).Decreases
Question 84. Which of the following depends on charging and discharging rate of a capacitor?
  1.    Time constant
  2.    Current
  3.    Power
  4.    Voltage
 Discuss Question
Answer: Option A. -> Time constant
Answer: (a).Time constant
Question 85. What is the final current while charging a capacitor?
  1.    High
  2.    Zero
  3.    Infinity
  4.    Low
 Discuss Question
Answer: Option B. -> Zero
Answer: (b).Zero
Question 86. A dielectric is basically a ________
  1.    Capacitor
  2.    Conductor
  3.    Insulator
  4.    Semiconductor
 Discuss Question
Answer: Option C. -> Insulator
Answer: (c).Insulator
Question 87. What is the initial current while charging a capacitor?
  1.    High
  2.    Low
  3.    0
  4.    Cannot be determined
 Discuss Question
Answer: Option A. -> High
Answer: (a).High
Question 88. A circuit has a resistance of 2 ohms connected in series with a capacitance of 6F. Calculate the discharging time constant.
  1.    3
  2.    1
  3.    12
  4.    8
 Discuss Question
Answer: Option C. -> 12
Answer: (c).12
Question 89. An 8microF capacitor is connected in series with a 0.5 megaohm resistor. The DC voltage supply is 200V. Calculate the current in the capacitor 4s after the power is supplied.
  1.    79 microA
  2.    68 microA
  3.    48 microA
  4.    74 microA
 Discuss Question
Answer: Option D. -> 74 microA
Answer: (d).74 microA
Question 90. A CR network is one which consists of _________
  1.    A capacitor and resistor connected in parallel
  2.    A capacitor and resistor connected in series
  3.    A network consisting of a capacitor only
  4.    A network consisting of a resistor only
 Discuss Question
Answer: Option B. -> A capacitor and resistor connected in series
Answer: (b).A capacitor and resistor connected in series

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

DSP Combined 1 Free Revision Test SAIL JO E-0
GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0
BSP Plant Specific Review Test SAIL JO E-0
BSL Combined 1 Free Revision Test SAIL JO E-0
GFM Combined 1 Free Revision Test SAIL JO E-0