HARD
12th West Bengal Board
IMPORTANT
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A ring is made of a wire having a resistance R0=12Ω. Find the points A and B, as shown in the figure, Figure, at which a current carrying conductor should be connected so that the resistance R of the sub circuit between these points is equal to 83Ω.

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Important Questions on Current Electricity

HARD
12th West Bengal Board
IMPORTANT

What current will flow through the 2 resistor in the circuit shown in the figure.

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EASY
12th West Bengal Board
IMPORTANT

In the circuit shown in the figure, if the potential at point A is taken to be zero, the potential at point B is

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EASY
12th West Bengal Board
IMPORTANT
A steady current flows in a metallic conductor of non-uniform cross-section. The quantity/quantities that are constant along the length of the conductor is /are
MEDIUM
12th West Bengal Board
IMPORTANT

In the given circuit, with steady current, the potential drop across the capacitor must be:

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EASY
12th West Bengal Board
IMPORTANT

In the given circuit it is observed that the current I is independent of the value of the resistance R6 Then the resistance values must satisfy

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MEDIUM
12th West Bengal Board
IMPORTANT

The effective resistance between the points P and Q of the electric circuit shown in Figure is

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EASY
12th West Bengal Board
IMPORTANT

In the shown arrangement of the experiment of the metre bridge if AC corresponding to null deflection of galvanometer is x, what would be its value if the radius of the wire AB is doubled?

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HARD
12th West Bengal Board
IMPORTANT

Six identical resistors are connected as shown in the Fig. 5.202. The equivalent resistance will be

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