Physics-
General
Easy
Question
A 5 V battery with internal resistance 2 W and a 2 V battery with internal resistance 1 W are connected to as 10 W resister as shown in the figure The current in the
resistor is

to
to
to
to
The correct answer is:
to 
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Shown in the figure below is a meter-bridge set up with null deflection in the galvanometer.

Shown in the figure below is a meter-bridge set up with null deflection in the galvanometer.

Physics-General
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A current of 2A flows in an electric circuit as shown in figure. The potential difference
, in volts
and
)are potentials at R and S respectively) is

A current of 2A flows in an electric circuit as shown in figure. The potential difference
, in volts
and
)are potentials at R and S respectively) is

Physics-General
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and
are given in the graph. Then,

I and V are respectively the current and voltage in a metal wire of resistance 'R'. Two I- V graphs at two different temperatures
and
are given in the graph. Then,

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If the current in a heater increases by 10%, the percentage change in the power consumption
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Unit of magnetic moment is ..........
Unit of magnetic moment is ..........
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When a bar magnet of pole strength m is cut into equal halves, parallel to its axis the pole strength of each piece is
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Physics-General
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............ poles appear at the point of separation
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Shape of Horseshoe magnet is _______
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Physics-General
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Chemistry-
Consider the following bromides :
A) 
B) 
C) 
The correct, order of
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A) 
B) 
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Chemistry-General
Chemistry-
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In which of the following reaction ketone is formed :
Chemistry-General