Rectifiers are used to convert


Options: Direct current to Alternating current,    Alternating current to Direct current,    high voltage to low voltage,    low voltage to high voltage

Ans:B,B






More physics Related questions:


'In Custody', an English novel is written by which one of the following?
Options: Anita Desai,    Vikram Seth,    Shoba De,    V.S. Naipaul

Ans:A,A


When did Afghanistan ends monarchy and became a republic?
Options: 1949,    1973,    1965,    2000

Ans:B,B


For whom high heeled shoes were invented?
Options: Cleopatra,    Queen Elizabeth I,    King Louis the XIV,    King Charles II

Ans:C,C


The Harmattan is
Options: cool, extremely dry wind that forms over the Sahara and blows westward or south-westward to the African coast,    wind that blows during the dry season from December to February,    tertiary wind that carry great quantities of fine dust from the Sahara,    All of the above

Ans:D,D


The 'Cannes Award' is given for excellence in which field?
Options: Films,    Journalism,    Literature,    Economics

Ans:A,A


The texture of a soil refers to
Options: the size distribution of the mineral particles composing the soil,    the distribution of mineral particles in the soil,    the crystal distribution in soil,    None of the above

Ans:A,A


The graphite rods in the nuclear reactor
Options: react with U to release energy,    produce neutrons,    undergo combustion which triggers the nuclear fission,    convert fast moving neutrons into thermal neutrons

Ans:D,D


Which organ of United Nations has ceased to be operational?
Options: Trusteeship Council,    Secretariat,    International Court of Justice,    Economic and Social Council

Ans:A,A


LPG consists of mainly
Options: methane, ethane and hexane,    ethane, hexane and nonane,    methane, hexane and nonane,    methane, butane and propane

Ans:D,D


What is the approximate area of Bihar?
Options: 94,163 sq. km,    1,35,100 sq. km,    3,702 sq. km,    1,96,024 sq. km

Ans:A,A


The initial increase of magnetic field in magnetic storms is caused
Options: when the shock wave, associated with the gusty solar wind, compresses the magnetosphere,    when there is a large decrease in field intensity,    when the gust wind itself engulfs the magnetosphere,    None of the above

Ans:A,A


On a night when the sky is clear, the temperature may dip considerably; on a cloudy night the temperature will usually dip much less. The reason for this difference is that
Options: the clear sky allows radiant energy to escape readily from the earth,    on a cloudy night the clouds are warm and therefore retard the cooling,    the clear sky allows the cold of outer space to reach the earth,    current of air carry the heat away from the earth on a clear night

Ans:A,A


The Objectives Resolution which laid down the main objectives to guide the deliberations of the Assembly was moved by
Options: Sardar Patel,    Jawaharlal Nehru,    K.M. Munshi,    B.R. Ambedkar

Ans:B,B


The American General who led the revolt against the British and declared American independence was
Options: George Washington,    Bill Clinton,    George Bush,    None of the above

Ans:A,A


The third world includes about 120 countries of
Options: Asia, Africa and Central America,    Asia, Australia and Europe,    Africa, North America,    None of the above

Ans:A,A


Lately you hear a clatter from your computer, especially when you load a program or call up information. What's going on?
Options: It's infested with reindeer,    Your hard disk may be headed for failure,    A loose wire is hitting the cooling fan,    A loud metallic clatter is normal

Ans:B,B


Which of the following is a Manipuri version of Hockey?
Options: Khong Kangjei,    Hiyang Tanaba,    Yubi Lakpi,    None of above

Ans:A,A


Who suggested that most of the mass of the atom is located in the nucleus?
Options: Thompson,    Bohr,    Rutherford,    Einstein

Ans:C,C


Who is the first Indian woman to win an Asian Games gold in 400m run?
Options: M.L.Valsamma,    P.T.Usha,    Kamaljit Sandhu,    K.Malleshwari

Ans:C,C


What toy was invented by Joshua Lionel Cowen around 1900?
Options: Raggedy Ann doll,    Yo-yo,    Electric train,    Tinkertoys

Ans:C,C


'Crime and Punishment' was written by
Options: Fyodor Dostoevsky,    Vladimir Nabakov,    Lewis Carrol,    Alexander Solzhenitsyn

Ans:A,A


When was SAARC founded?
Options: 1982,    1984,    1985,    1983

Ans:C,C


Who invented Dynamite?
Options: Sir Alexander Graham Bell,    Benjamin Franklin,    Thomas Alva Edison,    Alfred B. Nobel

Ans:D,D


Another word for 'Graphics for a word processor'?
Options: Peripheral,    Clip art,    Highlight,    Execute

Ans:B,B


The infrared radiation by sun are strongly absorbed by
Options: carbon dioxide,    water vapours,    carbon dioxide and water vapours,    ozone

Ans:A,A


The headquarters of Food and Agriculture Organisation is in
Options: Washington,    Paris,    Madrid,    Rome

Ans:D,D


How much districts are there in Tamil Nadu?
Options: 26,    27,    28,    32

Ans:D,D


Paper currency first started in India in
Options: 1861,    1542,    1601,    1880

Ans:A,A


The main chemical constituent of clay is
Options: silicon oxide,    aluminium borosilicate,    zeolites,    aluminium silicate

Ans:D,D


The Mistral is
Options: very cold wind, which blows down from the plateau of central France,    swift, dry, cold northerly wind that blows down from the western Alps and the plateau of Southern France and out over the Mediterranean,    wind that blows for 100 days a year and may cause extensive frost damage to plants,    All of the above

Ans:D,D


Which metal pollute the air of a big city?
Options: Copper,    Chromium,    Lead,    Cadmium

Ans:C,C


Which player has scored the most runs in a single Test innings?
Options: Graham Gooch,    Matthew Hayden,    Brian Lara,    Agarkar

Ans:C,C


The author of controversial book 'Lajja' is a citizen of
Options: Pakistan,    Indonesia,    Bangladesh,    India

Ans:C,C


The periodic rise and fall of the sea level on the earth, gives rise to tides. This is related to
Options: the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun,    infrared rays from the sun,    ultraviolet rays from the sun,    None of the above

Ans:A,A


What invention was first installed at a Hartford, Connecticut bank in 1889?
Options: Automatic teller machine,    Time-lock safe,    Burglar alarm,    Pay telephone

Ans:D,D


When was the first cricket Test match played?
Options: 1873,    1877,    1870,    1788

Ans:B,B


Who is the author of 'Ashtadhyayi'?
Options: Sumitranandan,    Raj Anand,    Panini,    Gitta Piramal

Ans:C,C


The northern hemisphere and the southern hemisphere are separated by
Options: the International Date line,    the plane of the equator,    the plane of Tropic of Cancer,    the plane of Tropic of Capricorn

Ans:B,B


when did Al-beruni (Parsia) visited india
Options:

Ans:(1024-1030 AD),Al-beruni is the first muslim scholar who studied Inida.


Which launch vehicle is capable of placing around 1540 kg of INSAT class of satellites in geosynch-ronous transfer orbit of earth?
Options: SLV-S,    PSLV,    ASLV,    GSLV

Ans:D,D


In which year was the 'All India Radio' set up?
Options: 1936,    1927,    1947,    1950

Ans:A,A


India played its first cricket Test Match in
Options: 1922,    1932,    1942,    1952

Ans:B,B


What charge card, developed in 1950, was the first to be accepted nationally in the US?
Options: Visa,    Discover,    MasterCharge,    Diner's Club

Ans:D,D


The banks are required to maintain a certain ratio between their cash in the hand and totals assets. This is called
Options: Statutory Bank Ratio (SBR),    Statutory Liquid Ratio (SLR),    Central Bank Reserve (CBR),    Central Liquid Reserve (CLR)

Ans:B,B


The process that may cause physical weathering or mechanical rupture are
Options: abrasion, crystallization, pressure release,    abrasion, oxidation, hydrolysis,    crystallization, carbonation, thermal insolation,    None of the above

Ans:A,A


CORN FLAKES - Who made them first?
Options: Nabisco,    Kellogg,    Quaker,    Archers

Ans:B,B


Which insurance salesman invented the fountain pen in 1884?
Options: Lewis Edson Waterman,    Sir William Grove,    Charles Kettering,    George Fountain

Ans:A,A


out of proteins, lipids and carbohydrates present in a cell membrane, what is true?
Options: Lipids are maximum,    Carbohydrates are minimum,    Carbohydrates are maximum,    All three are in equal proportion

Ans:B,B


tarain or thaneswwer 1st battle was fought in
Options: 1396AD, 1191AD, 1292AD,1011AD

Ans:1191AD,1191AD


Kathak is a classical dance of
Options: North India,    Tamilnadu,    Manipur,    Kerala

Ans:A,A

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