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

## Question: ` A neon flashlight cell with an emf of 1.5V gives a current of 15A when connected directly to an ammeter of resistance 0.04?. Internal resistance of the cell is`

1.0.0004?

2.0.06?

3.0.10?

4.0.13?

Posted Date:-2021-08-31 09:38:58

## 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

Posted Date:-2021-08-31 09:38:58

## Question: ` Electrical energy is measured in`

1.watt

2.horse power

3.kilo watt

4.kilowatt hour

Posted Date:-2021-08-31 09:38:58

## Question: ` If 1 ampere current flows through 2m long conductor the charge flow through it in 1 hour will be`

1.3600C

2.7200C

3.1C

4.2C

Posted Date:-2021-08-31 09:38:58

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

1.source of e m f

2.conductor

3.resistor

4.capacitor

Posted Date:-2021-08-31 09:38:58

## Question: ` Reciprocal of resistivity is called`

1.resistance

2.inductance

3.conductivity

4.flexibility

Posted Date:-2021-08-31 09:38:58

## Question: ` Resistance between points A and B in the circuit shown in figure is`

1.4?

2.6?

3.10?

4.8?

Posted Date:-2021-08-31 09:38:58

## 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

Posted Date:-2021-08-31 09:38:58

## 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

Posted Date:-2021-08-31 09:38:58

## Question: ` Which one of the following materials is useful for making bulb filaments?`

1.constantan

2.nichrome

3.copper

4.tungsten

Posted Date:-2021-08-31 09:38:58

## 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

Posted Date:-2021-08-31 09:38:58

## 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

Posted Date:-2021-08-31 09:38:58

## Question: ` An immersion heater of 400 watts kept on for 5 hours will consume electrical power of`

1.2KWh

2.20KWh

3.6KWh

4.12KWh

Posted Date:-2021-08-31 09:38:58

## Question: ` How much heat does a 40 W bulb generates in one hour?`

1.144000J

2.144J

3.1.44J

4.14J

Posted Date:-2021-08-31 09:38:58

## 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

Posted Date:-2021-08-31 09:38:58

## Question: ` One kilowatt hour is the amount of energy delivered during`

1.one second

2.one day

3.one minute

4.one hour

Posted Date:-2021-08-31 09:38:58

## 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

Posted Date:-2021-08-31 09:38:58

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

1.finite

2.infinite

3.zero

4.changes with every conductor

Posted Date:-2021-08-31 09:38:58

## 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

Posted Date:-2021-08-31 09:38:58

## 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

Posted Date:-2021-08-31 09:38:58

## Question: ` The current in the circuit shown in figure - What will be the current in the circuit?`

1.1/45A

2.1/10A

3.1/5A

4.5A

Posted Date:-2021-08-31 09:38:58

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

1.free electrons

2.protons

3.neutrons

4.still under controversy

Posted Date:-2021-08-31 09:38:58

## Question: ` The graphical representation of Ohms law is`

1.hyperbola

2.ellipse

3.parabola

4.straight line

Posted Date:-2021-08-31 09:38:58

## 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

Posted Date:-2021-08-31 09:38:58

## 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

Posted Date:-2021-08-31 09:38:58

## 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

Posted Date:-2021-08-31 09:38:58

## Question: `A fuse is placed in series with the cireuit to protect against`

1.high power

2.high voltage

3.high current

4.over heating

Posted Date:-2021-08-31 09:38:58

## Question: `An electric iron is marked 20 volts 500W. The units consumed by it in using if for 24 hours will be`

1.12

2.24

3.5

4.1100

Posted Date:-2021-08-31 09:38:58

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

1.complex network

2.wheat stone bridge

3. potential divider

4.all of above

Posted Date:-2021-08-31 09:38:58

## Question: `Electrical energy is converted to heat at the rate of`

1.IRt

2.I2R

3.I2Rt

4.Vit

Posted Date:-2021-08-31 09:38:58

## Question: `In the following figure the terminal potential is`

1.zero

2.2V

3.12V

4.36V

Posted Date:-2021-08-31 09:38:58

## 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

Posted Date:-2021-08-31 09:38:58

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

1.infinite

2.zero

3.finite

4.depends upon nature

Posted Date:-2021-08-31 09:38:58

## 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

Posted Date:-2021-08-31 09:38:58

## Question: `There are three bulbs of 60W 100W and 200W which bulb has thickest filament.`

1.100W

2.200W

3.60W

4.all

Posted Date:-2021-08-31 09:38:58

## Question: `Three equal resistors connected in series with a source of e m f together dissipate 10 W of power each. What will be the power dissipated if the same resistors are connected in parallel across the same source of e m f?A. B. 90WC. 100W D. 120W`

1.40 W

2.90

3.100

4.120

Posted Date:-2021-08-31 09:38:58

## Question: `Which one is the best material for making connecting wires?`

1.iron

2.tungsten

3.silver

4.copper

Posted Date:-2021-08-31 09:38:58

## Question: `Which one of the following bulbs has the least resistance?`

1.100 watt

2.200 watt

3.300 watt

4.60 watt

Posted Date:-2021-08-31 09:38:58

## 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

Posted Date:-2021-08-31 09:38:58

## More MCQS

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