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Begginer

## Three identical charges are placed at the vertices of an equilateral triangle. The force experienced by each charge (if k=1/4£o) is

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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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Begginer

## The capacitance of a capacitor is

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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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Begginer

## Three capacitors of capacitance 3F, 10F and 15F are connected in series to a voltage source of 100V. The charge on 15 µF is

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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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Begginer

## In the chemical reaction, CH3CHNH2 + CHCl3 +3KOH->(A)+(B) + 3HO, the compound are respectively

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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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Begginer

## 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

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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 ...

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Begginer

## In order to measure current in a resistance present in a circuit, the ammeter is connected

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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 ...