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WB JEE 2018
MCQ (More than One Correct Answer)
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A non-zero current passes through the galvanometer G shown in the circuit when the key K is closed and its value does not change when the key is opened. Then, which of the following statement(s) is/are true?

WB JEE 2018 Physics - Current Electricity Question 22 English
A
the galvanometer resistance is infinite.
B
the current through the galvanometer is 40 mA.
C
After the key is closed, the current through the 200$$\Omega$$ resistor is same as the current through the 300$$\Omega$$ resister.
D
The galvanometer resistance is 150$$\Omega$$
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