Electric Circuits Objective Questions
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Which of following is not a vector?
Correct!
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Atoms with fewer than 4 valence electrons are
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The fixed circular paths around the nucleus are called
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Electric displacement is a ____________________ quantity.
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In foster 1 form 1st element is
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Constant K type HPF (high pass filter) having cut off frequency 12 KHz and nominal impedance R_{o} = 500 Î© Find shunt arm inductor L and series arm capacitance C for T and Ï€ section of HPF ?
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Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A.
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The ratio of electric flux density to electric field intensity is called ......... of medium
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In 2 port network Z_{12} = Z_{21} indicates which property
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The mass of a neutron of atom is
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A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is
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What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons?
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Atoms have no electric charge because they
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If two point charges are denoted by + Q and  Q and distance between this charges is d, then the dipole moment P equal to
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The mass of a proton is
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The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and  1.25 amps the current in the third line at the instant is ___________ A.
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Ampere second is the unit of
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A unit tube of flux is known as ____________________ tube.
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The charge of an electron is
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Electric field intensity ( E ) at any point in an electric field is equal to
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To prevent the generation of static charges on rubber or flat leather
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The electron is lighter than a proton by a factor of about
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Which of the following is the heaviest?
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The unit of electric displacement vector is
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The value of E within the field due to a point charge can be found with help of
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A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA.
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The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively the rms value of the voltage across the series combination is ______ V.
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A coil of negligible resistance has an induction of 100 mH. The current passing through the coil changes from 2 A to 4 A at a uniform rate in 0.1 sec the voltage across the coil during this time would be __________ V.
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The strength of current in 1 H inductor changes at rate of 1 A / sec. Find the voltage across it?
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An electric field line and an equipotential surface are
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