1 meter/coulomb
1 newton/meter
1 newton/coulomb
1 joule/coulomb
Answer is Right!
Answer is Wrong!
Electrostatics
102. The sparking between two electrical contacts can be reduced by inserting a
capacitor in parallel with contacts
capacitor in series with each contact
resistance in line
none of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionThe sparking between two electrical contacts can be reduced by inserting a
103. Dielectric strength of a medium is usually expressed in
J/mm
C/m2
kV/mm
N/mm
Answer is Right!
Answer is Wrong!
Detailed SolutionDielectric strength of a medium is usually expressed in
104. Which of the following material has least value of dielectric constant ?
Ceramics
Oil
Glass
Paper
Answer is Right!
Answer is Wrong!
Detailed SolutionWhich of the following material has least value of dielectric constant ?
105. Three capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them
all in series
all in parallel
two in parallel and third in series with this combination
two in series and third in parallel across this combination
Answer is Right!
Answer is Wrong!
106. If a third equal and similar charge is placed between two equal and similar charges, then this third charge will
move out of the field of influence of the two charges
remain in stable equilibrium
not be in equilibrium
be in unstable equilibrium
Answer is Right!
Answer is Wrong!