Electrical Engineering : Electrostatics QUESTIONS AND ANSWERS :: part3 : 6 to 10
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
6.The dielectric constant (relative permittivity) of glass is given by |
| 0.1 to 0.4 |
| 0.5 to 1.0 |
| 2.0 to 4.0 |
| 5 to 100 |
7.A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance ? |
| Ceramic capacitor |
| Mica capacitor |
| Both will have identical value of capacitance |
| It depends on applied voltage |
8.Which of the following material has least value of dielectric constant ? |
| Ceramics |
| Oil |
| Glass |
| Paper |
9.Which of the following statements is incorrect ? |
| The thinner the dielectric, the more the capacitance and the lower the voltage breakdown rating for a capacitor . |
| A six dot mica capacitor colour coded white, green, black, red and yellow has the capacitance value of 500 pF |
| Capacitors in series provide less capacitance but a higher voltage breakdown rating for the combina�tion |
| A capacitor can store charge be�cause it has a dielectric between two conductors |
10.For closer tolerances which of the following capacitors is usually preferred ? |
| Paper capacitor |
| Mica capacitor |
| Ceramic disc capacitor |
| None of the above |
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