Three identical charges are placed at the vertices of an equilateral triangle. The force experienced by each charge (if k=1/4£o) is 1) 2k q²/r² 2) Kq²/2r² 3) √3kq²/r² 4) ...
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The capacitance of a capacitor is 1) Independent of the charge and potential of the capacitor 2) Dependent on the charge and independent of potential 3) Independent of the geometrical ...
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Three capacitors of capacitance 3F, 10F and 15F are connected in series to a voltage source of 100V. The charge on 15 µF is 1) 100 µC 2) 280 µC 3) ...
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In the chemical reaction, CH3CHNH2 + CHCl3 +3KOH->(A)+(B) + 3HO, the compound are respectively 1) C2H5CN and 3KCl 2) C2H5NC and 3KCl 3) C2H5NC and K2co3 4) CH3CH2CONH2 and ...
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When a piece of aluminium wire of finite length is drawn through a series of dies to reduce its diameter to half its original value, its resistance will become 1) Two times ...
Pulmonary artery develops from 1) Left ventricle 2) Right ventricle 3) Right auricle 4) Left auricle.
The element with the highest conductivity is 1) gold 2) silver 3) copper 4) platinum
The reciprocal of electrical resistance is 1) voltage 2) current 3) conductance 4) none of the above
Good conductors have many loosely bound 1) atoms 2) protons 3) molecules 4) electrons
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In order to measure current in a resistance present in a circuit, the ammeter is connected 1) in series 2) in parallel 3) in series or parallel 4) nothing can ...