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A voltmeter and an ammeter are joined in series to an ideal cell, giving readings V and A respectively. If a resistance equal to the resistance of the ammeter is now joined in parallel to the ammeter, (a) V will not change (b) V will increase slightly (c) A will become exactly half of its initial value (d) A will become slightly more than half of its initial value |
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Answer» Correct Answer is: (b, d) The voltmeter reading is the potential difference across its terminals when it is connected in the circuit. The ammeter reading is the current passing through it. |
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