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Gs > electric current > Flashcards

electric current Flashcards

1
Q

1 unit

A

1000 kilowatt

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2
Q

value of 1 kilo watt

A

3.6* 10 ^6 J

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3
Q

POwer

A

voltage* current

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4
Q

dynamo

A

convert mechanical energy into electrical energy

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5
Q

faraday constant

A

it represent magnitude of electric charge per mole of electron

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6
Q

anode

A

is negative charge

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7
Q

cathode

A

positive charge

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8
Q

filament in lighting bulb

A

tungsten

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9
Q

primcipke of fuse

A

heating effect of electricity

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10
Q

domestic electric wiring connection is basuically

A

parallel connection

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11
Q

magnitude of resistance of human body

A

10^4 ohm

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12
Q

what gas are filled in flurscent tube

A

mercury and neon

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13
Q

how does white light produce in tube

A

by oscillating the molecule

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14
Q

if potential difference and current flowing through wire increased twice each then electric powwer

A

increase 4 times

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15
Q

mobile phone charger

A

step down transformer

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16
Q

lighting conductor metal

A

copper

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17
Q

Meissner Effect

A

uperconductors expel magnetic fields from their interior when they transition into the superconducting state, causing them to repel magnets and allowing for magnetic levitation.

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18
Q

which liquid is use for superconductor

A

liquid helim

19
Q

resisitance of semi conductor on heating

A

decrease

20
Q

electric conduction in semi conductor takes place in both electron and holes

A
21
Q

at absolute zero the electric resistance in semi conductor is

A

infinite

22
Q

control rod in nuclear reactor is made of

A

barium and cadmium

23
Q

which particles is claimed to have invented which rebut theory of relativit

A

microwave photon

24
Q

cyclotrons are used to accelerate

A

protons

25
Q

which is used to confirm whether gamma emitting isotope or not

A

scintillation counter

26
Q

which kind of reaction happen in cathode

A

reduction

27
Q

cathode rod is made up of

A

copper

28
Q

anode rod is made up of

A

zinc

29
Q
A
30
Q

Si unit of charge

A

Columbb

31
Q

Charge contain

A

6*10(18)

32
Q

One ampere

A

Flow of one column of charge per second

33
Q

Ammeter

A

Measure current in a circuit

34
Q

Potential difference

A

Electric move

35
Q

Potential difference

A

Work done *charge

36
Q

Si unit of potential difference

A

Volt

37
Q

1 volt

A

1 joule/columb

38
Q

1ohm

A

Volt/ampere

39
Q

Least electric resistance

A

Silver

40
Q

1 kWh

A

1000 watt*3600 second

41
Q

Electromagnetic by

A

Oerested

42
Q

Right hand thumb rule related to

A

Electric current magnetic field

43
Q

East west direction right hand thumb rule

A

Turn clockwise

44
Q

Right hand from east end

A

Anti clock wise

Gs (81 decks)

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