MEDIUM
12th West Bengal Board
IMPORTANT
Earn 100

For measurement of potential difference, potentiometer is preferred in comparison to voltmeter because
(a)potentiometer is more sensitive than voltmeter
(b)potentiometer does not take current from the circuit
(c)potentiometer is cheaper than voltmeter
(d)the resistance of the potentiometer is less than voltmeter.

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Important Questions on Current Electricity
MEDIUM
12th West Bengal Board
IMPORTANT

MEDIUM
12th West Bengal Board
IMPORTANT

EASY
12th West Bengal Board
IMPORTANT
Shown in the Figure is a metre-bridge set up with null deflection in the galvanometer. The value of the unknown resistor is

EASY
12th West Bengal Board
IMPORTANT

MEDIUM
12th West Bengal Board
IMPORTANT

HARD
12th West Bengal Board
IMPORTANT

MEDIUM
12th West Bengal Board
IMPORTANT

EASY
12th West Bengal Board
IMPORTANT
