Three voltmeters all having different resistances, are joined as shown. When some potential diff...

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Three voltmeters all having different resistances, are joined as shown. When some potential difference is applied across \( A \) and \( B \), their readings are \( V_{1}, V_{2} \) and \( V_{3} \). Then,
(a) \( V_{1}=V_{2} \)
(b) \( V_{1} \neq V_{2} \)
(c) \( V_{1}+V_{2}=V_{3} \)
(d) \( V_{1}+V_{2}V_{3} \)
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