# ECAT/ECAT Physics Current Electricity Mcq Questions Sample Test,Sample questions

1.0.0004?

2.0.06?

3.0.10?

4.0.13?

## Question: ` All electrical appliances are connected in parallel to each other between the main line and neutral wire to get`

1.same current

2.same current and potential difference

3.different current but same potential difference

4.different current and potential differences

1.watt

2.horse power

3.kilo watt

4.kilowatt hour

1.3600C

2.7200C

3.1C

4.2C

## Question: ` Internal resistance is the resistance offered by`

1.source of e m f

2.conductor

3.resistor

4.capacitor

1.resistance

2.inductance

3.conductivity

4.flexibility

1.4?

2.6?

3.10?

4.8?

## Question: ` Terminal potential difference of a battery is greater than its emf when`

1. the internal resistance of battery is infinite

2.the internal resistance of battery is zero

3.the battery is charged

4.the battery is discharged

## Question: ` Three bulbs are rating 40W 60W and 100W designed to work on 220V mains. Which bulb will burn most brightly if they are connected in series across 220 V mains?`

1.40 W bulb

2.60 W blub

3.100 W blub

4.all will burn equally brightly

1.constantan

2.nichrome

3.copper

4.tungsten

## Question: ` A wire having very high value of conductance is said to be`

1.very good conductor

2.moderately good conductor

3.an insulator

4.no specific criterion available

## Question: ` A wire of uniform area of cross-section A length L and resistance R is cut into two parts. Resistivity of each part`

1.remains the same

2.is doubled

3.is halved

4.becomes zero

1.2KWh

2.20KWh

3.6KWh

4.12KWh

1.144000J

2.144J

3.1.44J

4.14J

## Question: ` In liquids and gases the current is due to the motion`

1.negative charges

2. positive charges

3.both negative and positive charges

4.neutral particles

1.one second

2.one day

3.one minute

4.one hour

## Question: ` Production of heat due to an electric current flowing through a conductor is given by`

1.Joule effect

2.Joule Thomsons effect

3.Comptons effect

4.Feed back effect

## Question: ` Resistance of a super conductor is`

1.finite

2.infinite

3.zero

4.changes with every conductor

## Question: ` Resistance of a wire on increasing its temperature will`

1.increase with rise in temperature

2.decrease with rise in temperature

3. will remain same

4.depends upon altitude of experimentation

## Question: ` Specific resistance of a wire`

1. will depend on its length

3.will depend on the type of material of the wire

4.None

1.1/45A

2.1/10A

3.1/5A

4.5A

## Question: ` The current through a metallic conductor is due to the motion of`

1.free electrons

2.protons

3.neutrons

4.still under controversy

1.hyperbola

2.ellipse

3.parabola

4.straight line

## Question: ` Thermocouples convert`

1.heat energy into electrical energy

2.heat energy into light energy

3.heat energy into mechanical energy

4.mechanical energy into heat energy

## Question: ` When 2? 4? and 6? resistor are connected in parallel their resultant equivalent resistance will be`

1.12?

2.11/12?

3.12/11?

4.data is insufficient

## Question: ` When same current passes for same time through a thick and thin wire`

1.more heat is produced in thick wire

2.more heat is produced in thin wire

3.no heat is produced in wire

4.less heat is produced in thick wire

1.high power

2.high voltage

3.high current

4.over heating

1.12

2.24

3.5

4.1100

## Question: `Circuit which gives continuously varying potential is called`

1.complex network

2.wheat stone bridge

3. potential divider

4.all of above

1.IRt

2.I2R

3.I2Rt

4.Vit

1.zero

2.2V

3.12V

4.36V

## Question: `Resistance of a conductor depends upon`

1.nature of conductor

2.dimension of conductor

3.physical state of the conductor

4.all of above

## Question: `Resistance of an ideal insulator is`

1.infinite

2.zero

3.finite

4.depends upon nature

## Question: `The resistance of a conductor at absolute zero (OK) is`

1.zero almost

2. infinite almost

3.no prediction at all

4.may increase or decrease

1.100W

2.200W

3.60W

4.all

1.40 W

2.90

3.100

4.120

1.iron

2.tungsten

3.silver

4.copper

1.100 watt

2.200 watt

3.300 watt

4.60 watt

## Question: `Why should a resistance be introduced in a circuit in series deliberately?`

1. to increase current

2.to decrease current

3.to control current

4.just to give a good look to circuit

## More MCQS

##### Olete Team
Online Exam TestTop Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on Online Exam Testwebsite is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!