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प्रश्न
Compare how an ammeter and a voltmeter are connected in a circuit.
उत्तर
The ammeter is connected in series with the circuit in which the current is to be measured, whereas the voltmeter is connected across the points where the potential difference is to be measured.
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संबंधित प्रश्न
Calculate the number of electrons constituting one coulomb of charge.
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(b) for lighting inside the rooms of the hotel?
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(a) this way they required less current
(b) if one lamp fails the others remain lit
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Define the following:
Electromotive force
A current of 0.3 A is flowing through a branch of 6 Ω resistors in a junction as shown in fig. . Calculate the
(a) P.d. across the junction XY,
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( c) P.d. across 24 Ω resistor, and
( d) e.m.f. of the cell.
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Reason (R): Current is the rate of flow of charge.
