# CBES Board Class 10/Electrostatics Multiple Choice Questions Set 1 Sample Test,Sample questions

## Question: ` 3 capacitors with capacitances 5Âµ F, 6Âµ F and 7Âµ F are arranged in series combination with a battery of 5V, as 1Âµ F = 10-6F, the total capacitance should be`

1.2.8 ÂµF

2.1.5 ÂµF

3.2.3 ÂµF

4.1.96 ÂµF

Posted Date:-2021-12-24 13:11:08

## Question: ` 3 capacitors with capacitances 5Âµ F, 6Âµ F and 7Âµ F are arranged in series combination with a battery of 5V, as 1Âµ F = 10-6F, the total capacitance should be`

1.2.8 ÂµF

2.1.5 ÂµF

3.2.3 ÂµF

4.1.96 ÂµF

Posted Date:-2021-12-24 13:11:19

## Question: ` 3 capacitors with capacitances 5ÂµF, 6ÂµF and 7ÂµF are arranged in parallel combination with a battery of 5V, as 1ÂµF = 10-6F, the voltage across each capacitor is`

1.15V

2.5V

3.18V

4.20V

Posted Date:-2021-12-24 12:20:41

## Question: ` 3 capacitors with capacitances 5ÂµF, 6ÂµF and 7ÂµF are arranged in parallel combination with a battery of 5V, as 1ÂµF = 10-6F, the voltage across each capacitor is`

1.15V

2.5V

3.18V

4.20V

Posted Date:-2021-12-24 12:20:51

## Question: ``` Electric intensity being a force is a ```

1. unmeasurable quantity

2.vector quantity

3.scalar quantity

4.basic quantity

Posted Date:-2021-12-24 12:02:17

## Question: ``` If 2 bodies are oppositely charged with 400ÂµC and 200ÂµC, the distance between them in the air is 0.5 m. The force between the bodies should be ```

1. 2880 N

2.3000 N

3.1850 N

4.3250 N

Posted Date:-2021-12-24 13:22:19

## Question: ` If 5 J of work is needed to shift 10C of charge from one place to another. The potential difference between the places should be`

1.0.5 V

2. 2 V

3.5 V

4.10 V

Posted Date:-2021-12-24 13:25:30

## Question: ``` If the body is positively or negatively charged the leaves of electroscope will ```

1.diverge

2.converge

3.stay still

4.shrink

Posted Date:-2021-12-24 12:03:09

## Question: ``` In electrostatic air cleaner, air mixed with dust and pollen enters device across ```

1. positively charged mesh

2.negatively charged mesh

3.neutral mesh

4.dual charged mesh

Posted Date:-2021-12-24 11:59:29

## Question: ``` In the combination of capacitors in series, the capacitors are connected ```

1.side by side

2.parallel

3.up and down

4.None of the above

Posted Date:-2021-12-24 11:36:15

## Question: ``` SI unit of electric potential is ```

1. C-1

2.J-1

3.JC-1

4.JC-4

Posted Date:-2021-12-24 13:12:06

## Question: `3 capacitors with capacitances 5Âµ F, 6Âµ F and 7Âµ F are arranged in series combination with a battery of 5V, as 1Âµ F = 10-6F, the quantity of charge on each plate of the capacitor is`

1.2.5ÂµC

2.1.96ÂµC

3. 3.6ÂµC

4. 2.89ÂµC

Posted Date:-2021-12-24 12:16:22

## Question: ```A body in the gravitational field always tends to move from a point of potential energy in straight line ```

1. higher to lower l

2.lower to higher

3.in straight line

4.not in straight line

Posted Date:-2021-12-24 13:23:52

## Question: `A device which stores charge is called`

1.Resistor

2.Inductor

3.capacitor

4.transistor

Posted Date:-2021-12-24 11:54:47

## Question: `A sensitive instrument for detecting charges is called`

1.gold leaf electroscope

2.telescope

3.compound microscope

4.chemical electroscope

Posted Date:-2021-12-24 12:15:04

## Question: `As per Coulomb's law, the force of attraction or repulsion between two point charges is directly proportional to the`

1.sum of the magnitude of charges

2.square of the distance between them

3.product of the magnitude of charges

4.cube of the distance

Posted Date:-2021-12-24 11:33:24

## Question: `As per Coulomb's law, the force of attraction or repulsion between two point charges is inversely proportional to the`

1.sum of the magnitude of charges

2.square of the distance between them

3.product of the magnitude of charges

4.cube of the distance

Posted Date:-2021-12-24 12:08:59

## Question: `Capacitor plates are separated by an insulator known as`

1.non-metal

2.dielectric

3.paper

4.wood

Posted Date:-2021-12-24 12:10:19

## Question: ```Coulomb is equal to the charge of ```

1. 8.25Ã—1018

2.6.25Ã—1018

3.7.25Ã—1018

4.5.25Ã—1018

Posted Date:-2021-12-24 13:09:38

## Question: `Coulomb's law is only true for point charges whose sizes are`

1.medium

2.very large

3.very small

4. large

Posted Date:-2021-12-24 11:32:07

## Question: ```Electric field intensity is a ```

1. base quantity

2.scaler quantity

3.non vector quantity

4.vector quantity

Posted Date:-2021-12-24 13:21:37

## Question: ```Electroscope can be charged by ```

1.convection

3.conduction

4.All the above

Posted Date:-2021-12-24 12:17:11

## Question: `If 5 J of work is required to shift 10 C charge from one place to another then the potential difference is`

1.0.5 V

2. 2 V

3.5 V

4.10 V

Posted Date:-2021-12-24 11:51:29

## Question: `If the capacitance of a parallel plate capacitor is 100Âµ F and the potential difference is 70Âµ F, the quantity of charge stored on each plate would be`

1.7 mC each

2.70 mC each

3.700 mC each

4. 0.7 mC each

Posted Date:-2021-12-24 13:28:28

## Question: ```In equation Q=CV, C is the constant of proportionality called the capacitor's ```

1.power

2.capacitance

3.heat

4.electric intensity

Posted Date:-2021-12-24 13:08:47

## Question: ```Plastic rod rubbed with fur and glass rod rubbed with silk ```

1. repel each other

2.mix up with each other

3.attract each other

4.None of the above

Posted Date:-2021-12-24 12:00:59

## Question: `The ability of a capacitor to store charge depends upon`

1.area of plates

2. distance between plates

3. type of dielectric used

4.All the above

Posted Date:-2021-12-24 11:35:05

## Question: `The amount of work done in bringing unit positive charge from infinity to a point in electric field is called`

1.coulomb's force

2.electrostatic force

3.electric potential

4.resistance

Posted Date:-2021-12-24 12:06:02

## Question: `The capacitor which has a dielectric between its plates and is made of a flexible material that can be rolled into the shape of a cylinder is called`

1.ceramic capacitors

2.fixed capacitors

3.parallel plate capacitors

4. electrolytic capacitors

Posted Date:-2021-12-24 12:18:08

## Question: ```The capacitors which use chemical reactions to store charge are called ```

1.ceramic capacitors

2.fixed capacitors

3.parallel plate capacitors

4.electrolytic capacitors

Posted Date:-2021-12-24 12:12:15

## Question: ```The charge on capacitor plates is directly proportional to ```

1.current

2. electric field intensity

3. potential difference

4.resistance

Posted Date:-2021-12-24 12:24:21

## Question: ```The coulomb's force between the 2 point charges 10ÂµC and 5ÂµC placed at a distance of 150cm is ```

1. 0.2 N

2.0.5 N

3.2 N

4.10 N

Posted Date:-2021-12-24 11:49:49

## Question: ```The direction of electric field intensity in an electric field can be represented by drawing ```

1.points

2.images

3.circles

4.lines

Posted Date:-2021-12-24 13:27:43

## Question: ```The force acting on a unit positive charge placed at that point is termed as ```

1.electric field intensity

2.electric field industry

3.electric field

4.electric shock

Posted Date:-2021-12-24 13:29:52

## Question: `The fundamental law of electric force between two stationary charged particles is established by`

1.Newton

2.Ohm

3.Hooke

4.Coulomb

Posted Date:-2021-12-24 13:32:50

## Question: ```The property of material due to which it attracts or repels other objects is ```

1.friction

2.velocity

3.current

4.charge

Posted Date:-2021-12-24 11:56:30

## Question: `The resonant circuits that tune radios to particular frequencies are called`

1.plate circuits

3.filter circuits

4.fiber circuits

Posted Date:-2021-12-24 11:56:05

## Question: `The value of k in coulomb's law depends upon`

1.magnitude of charges

2.distance between charges

3.medium between two charges

4.All the above

Posted Date:-2021-12-24 11:54:11

## Question: ```To paint new cars automobile workers use ```

1.current electricity

2.static electricity

3.capacitor

4.inductor

Posted Date:-2021-12-24 12:19:10

## Question: ```To relieve the discomfort of allergy sufferers in homes, we use ```

1. vacuum cleaner

2. electrostatic air cleaner

3.wind cleaner

4.none of above

Posted Date:-2021-12-24 11:31:12

## More MCQS

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