Electrostatics — Part 2 MCQs with Explanations

Ceramic capacitor is the correct answer to “Which of the following capacitors can be used for temperature compensation”. This question is standard in competitive examination syllabi for Electrostatics.

conductive dressing is done is the correct answer to “To prevent the generation of static charges on rubber or flat leather”. This question is standard in competitive examination syllabi for Electrostatics.

25 times larger than before is the correct answer to “A positive and a negative charge are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be”. This question is standard in competitive examination syllabi for Electrostatics.

Poled aluminium electrolytic condenser is the correct answer to “A condenser suitable for D.C. only is”. This question is standard in competitive examination syllabi for Electrostatics.

0.0002 is the correct answer to “The dissipation factor of a good dielectric is of the order of”. This question is standard in competitive examination syllabi for Electrostatics.

none of the above is the correct answer to “Dielectric strength of medium”. This question is standard in competitive examination syllabi for Electrostatics.

inversely proportional to d is the correct answer to “The electric field at a point situated at a distance d from straight charged conductor is”. This question is standard in competitive examination syllabi for Electrostatics.

Mica is the correct answer to “capacitors are used for audio frequency and radio frequency coupling and tuning.”. This question is standard in competitive examination syllabi for Electrostatics.

Electric intensity is the correct answer to “. . . . . . . . at a point may be defined as equal to the lines of force passing normally through a unit cross section at that point.”. This question is standard in competitive examination syllabi for Electrostatics.

decreases is the correct answer to “When a dielectric is placed in an electric field the field strength”. This question is standard in competitive examination syllabi for Electrostatics.

30 N is the correct answer to “The force between two charges is 120 N. If the distance between the charges is doubled, the force will be”. This question is standard in competitive examination syllabi for Electrostatics.

Ceramics is the correct answer to “Which of the following materials has the highest value of dielectric constant”. This question is standard in competitive examination syllabi for Electrostatics.

Electric intensity is the correct answer to “at a point is equal to the negative potential gradient at that point.”. This question is standard in competitive examination syllabi for Electrostatics.

capacitor in parallel with contacts is the correct answer to “The sparking between two electrical contacts can be reduced by inserting a”. This question is standard in competitive examination syllabi for Electrostatics.

Coulomb/meter3 is the correct answer to “The units of volume charge density are”. This question is standard in competitive examination syllabi for Electrostatics.

It will get punctured or cracked is the correct answer to “What will happen to an insulating medium if voltage more than the breakdown voltage is applied on it”. This question is standard in competitive examination syllabi for Electrostatics.

5 uF is the correct answer to “If three 15 uF capacitors are connected in series, the net capacitance is”. This question is standard in competitive examination syllabi for Electrostatics.

30 uE is the correct answer to “If three 10 uF capacitors are connected in parallel, the net cararitance is”. This question is standard in competitive examination syllabi for Electrostatics.

Electrolytic is the correct answer to “capacitors can be used only for D.C.”. This question is standard in competitive examination syllabi for Electrostatics.

capacity of the charged conductor is the correct answer to “The presence of an uncharged conductor near a charged one increases the”. This question is standard in competitive examination syllabi for Electrostatics.

1 is the correct answer to “The relative permittivity of free space is given by”. This question is standard in competitive examination syllabi for Electrostatics.

vector is the correct answer to “Electric field intensity is a quantity”. This question is standard in competitive examination syllabi for Electrostatics.

62, final is the correct answer to “The time constant of an R-C circuit is defined as the time during which capacitor charging voltage actually rises to . . . . . . . . percent of its . . . . . . . . value.”. This question is standard in competitive examination syllabi for Electrostatics.

greater is the correct answer to “The potential gradient across the material of low permittivity is than across the material of high permittivity.”. This question is standard in competitive examination syllabi for Electrostatics.

Schering bridge is the correct answer to “The bridge used for the measurement of the value of the capacitance is”. This question is standard in competitive examination syllabi for Electrostatics.

Capacitance is the correct answer to “is that property of a capacitor which delays any change of voltage across it.”. This question is standard in competitive examination syllabi for Electrostatics.

Mica capacitor is the correct answer to “Which of the following capacitors preferred for high frequency circuits”. This question is standard in competitive examination syllabi for Electrostatics.

Induction is the correct answer to “The phenomenon of an uncharged body getting charged merely by the nearness of a charged body is known as”. This question is standard in competitive examination syllabi for Electrostatics.

always curved is the correct answer to “The lines of force due to charged particles are”. This question is standard in competitive examination syllabi for Electrostatics.

Leaky is the correct answer to “While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is”. This question is standard in competitive examination syllabi for Electrostatics.

voltage is the correct answer to “A capacitance is a circuit component that opposes the change in circuit”. This question is standard in competitive examination syllabi for Electrostatics.

ground the framework is the correct answer to “In order to remove static electricity from machinery”. This question is standard in competitive examination syllabi for Electrostatics.

100 is the correct answer to “Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant”. This question is standard in competitive examination syllabi for Electrostatics.

Air is the correct answer to “Which medium has the least dielectric strength”. This question is standard in competitive examination syllabi for Electrostatics.

insulation is the correct answer to “The minimum value of potential gradient in a cable occurs in”. This question is standard in competitive examination syllabi for Electrostatics.

decreases is the correct answer to “Dielectric strength ______ with increasing thickness”. This question is standard in competitive examination syllabi for Electrostatics.

Air is the correct answer to “capacitors are mainly used for radio frequency tuning.”. This question is standard in competitive examination syllabi for Electrostatics.

remain in stable equilibrium is the correct answer to “If a third equal and similar charge is placed between two equal and similar charges, then this third charge will”. This question is standard in competitive examination syllabi for Electrostatics.

farad is the correct answer to “The unit of capacitance is”. This question is standard in competitive examination syllabi for Electrostatics.

37 is the correct answer to “The time constant and R-C circuit may also be defined as the time during which the charging current falls to ______ percent of its initial maximum value,”. This question is standard in competitive examination syllabi for Electrostatics.