Capacitor QUESTIONS AND ANSWERS

Basic Science : Capacitor QUESTIONS AND ANSWERS :: part1 : 16 to 20

Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :

16.The ratio of the charge to potential is

resistance

current

temperature co-efficient of resistance

capacitance

17.The area of each plate of a parallel plate capacitor is 4  10-2m2. If the thickness of the dielectric placed in between the plates is 10-3 and the relative permittivity of the dielectric is 7, then the capacitance of the capacitor

2.478  10-9F

0.2478  10-9F

2.478  10+9F

2.478 F

18.When two capacitors of capacitances 2 pF and 6 pF connected in parallel, the effective capacitance is

8 pF

12 pF

3/2 pF

4 pF

19.Pick out the correct formula connecting capacity C, voltage V, and the charge Q

C = V/Q

C = Q/V