AIEEE 2006 | Current Electricity Question 304 | Physics

In the circuit, the galvanometer $$G$$ shows zero deflection. If the batteries $$A$$ and $$B$$ have negligible internal resistance, the value of the resistor $$R$$ will be - AIEEE 2005 Physics - Current Electricity Question 313 English

AIEEE 2005 Physics - Current Electricity Question 313 English

$$100\Omega $$

$$200\Omega $$

$$1000\Omega $$

$$500\Omega $$

AIEEE 2005

MCQ (Single Correct Answer)

-1

Two voltmeters, one of copper and another of silver, are joined in parallel. When a total charge $$q$$ flows through the voltmeters, equal amount of metals are deposited. If the electrochemical equivalents of copper and silver are $${Z_1}$$ and $${Z_2}$$ respectively the charge which flows through the silver voltmeter is

$${q \over {1 + {{{Z_2}} \over {{Z_1}}}}}$$

$${q \over {1 + {{{Z_1}} \over {{Z_2}}}}}$$

$$q{{{Z_2}} \over {{Z_1}}}$$

$$q{{{Z_1}} \over {{Z_2}}}$$

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